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  1. U - you
  2. U IZ A 304 - you is a hoe
  3. U UP - Are You Up
  4. U'D - you would
  5. U'LL - you will
  6. U'R - you're
  7. U'V - you have
  8. U'VE - You Have
  9. U-L - You Will
  10. U-OK - You OK
  11. U.O.E.N.O - You Don't Even Know
  12. U.U - Expressing sympathy
  13. U/L - upload
  14. U/N - username
  15. U2 - you too
  16. U2B - YouTube
  17. U2U - Up to you
  18. U4I - up for it
  19. U8 - You Ate
  20. UA - user agreement
  21. UA4I - You Asked For It
  22. UAAAA - Universal Association Against Acronym Abuse
  23. UAC - User Account Control
  24. UAD - You Are Drunk
  25. UAE - United Arab Emirates
  26. UAFIUGI - You Asked For It You Got It
  27. UAK - You Already Know
  28. UARK - You Already Know
  29. UART - Universal Asynchronous Receiver-Transmitter
  30. UASV - You Are So Vain
  31. UAT - User Acceptance Testing
  32. UAV - Unmanned Aerial Vehicle
  33. UAYOR - Use At Your Own Risk
  34. UB3R - super
  35. UBD - User Brain Damage
  36. UBE - Unsolicited Bulk Email
  37. UBER - over
  38. UBI - Unexplained Beer Injury
  39. UBS - Unique Buying State
  40. UC&P - Up Close and Personal
  41. UCAP - Up Close and Personal
  42. UCCOM - You Can Count On Me
  43. UCE - unsolicited commercial e-mail
  44. UCLA - University of California at Los Angeles
  45. UCTAODNT - you can't teach an old dog new tricks
  46. UCWAP - Up a Creek Without A Paddle
  47. UDA - Ulster Defence Association
  48. UDB - Unified database
  49. UDC - Upper Divisional Clerk
  50. UDEK - you don't even know
  51. UDFI - You don't fit in
  52. UDFS - User Defined Funtions
  53. UDH82BME - You'd Hate To Be Me
  54. UDI - Unidentified Drinking Injury
  55. UDIAGS - Und Das Ist Auch Gut So
  56. UDK - You Don't Know
  57. UDM - U da man
  58. UDS - Ugly Domestic Scene
  59. UDUM - You Don't Understand me
  60. UDWK - You Don't Wanna Know
  61. UDY - you done yet
  62. UEFA - Union of European Football Associations
  63. UES - Upper East Side (of Manhattan)
  64. UFAB - ugly fat a** b***h
  65. UFB - Un fucking believable
  66. UFC - Ultimate Fighting Championship
  67. UFF - Expression of annoyance
  68. UFG - Up For Grabs
  69. UFIA - unsolicited finger in the anus
  70. UFIC - Unsolicited Finger in Chili
  71. UFMF - you funny mother f**ker
  72. UFN - Until Further Notice
  73. UFO - unidentified flying object
  74. UFS - Unlucky For Some
  75. UG - Ugly
  76. UG2BK - You've Got To Be Kidding
  77. UGBA - you gay b***h a**
  78. UGBK - You Gotta Be Kidding
  79. UGC - User Generated Content
  80. UGG - Ugly
  81. UGGO - Ugly person
  82. UGGS - Brand of boots
  83. UGH - Expression of disappointment or disgust
  84. UGTBK - You've Got To Be Kidding
  85. UGTR - you got that right
  86. UH - Expression of hesitation
  87. UHAB - you have a blog
  88. UHBW - You Have Been Warned
  89. UHEMS - you hardly ever make sense
  90. UHF - Ultra High Frequency
  91. UHQ - Ultra High Quality
  92. UHSE - User Head Space Error
  93. UHT - Ultra High Temperature
  94. UI - User Interface
  95. UIAM - Unless I Am Mistaken
  96. UID - User Identification
  97. UIN - Unique Identification Number
  98. UJDS - u just did s**t
  99. UK - U know
  100. UKR - You know right
  101. UKT - You Know That
  102. UKTR - You Know Thats Right
  103. UKWIM - You Know What I Mean
  104. UKWIS - You know what I'm saying
  105. UKWUR - You Know Who You Are
  106. UL - unlucky
  107. ULBOM - you looked better on myspace
  108. ULKGR8 - You look great
  109. ULM - You Love me
  110. ULT - Last month (from Latin ultimo)
  111. UM - Expression of hesitation
  112. UMAD - Are You Mad?
  113. UMBJ - You Must Be Joking
  114. UMFRIEND - sexual partner
  115. UMMC - You Make Me Crazy
  116. UMML - You Make Me Laugh
  117. UMTWTM - You Mean The World To Me
  118. UN - United Nations
  119. UN2BO - you need to back off
  120. UN4RTUN8LY - unfortunately
  121. UNA - Use No Acronyms
  122. UNADR - You need a doctor
  123. UNBLEFBLE - Unbelievable
  124. UNCE - Sound of club music
  125. UNCRTN - Uncertain
  126. UNDIES - Underwear
  127. UNESCO - United Nations Educational, Scientific and Cultura
  128. UNI - University
  129. UNICEF - United Nations Children's Fund
  130. UNIX - Computer operating system
  131. UNK - Crackhead
  132. UNO - Under number odd
  133. UNPC - Not Politically Correct
  134. UNPLUG - To unplug from technology, TV, mobile devices, soc
  135. UNT - until next time
  136. UNTCO - You Need To Chill Out
  137. UNTZ - Sound of a pulsing beat
  138. UO - Ultima Online (game)
  139. UOINDIC - Unless Otherwise INDICated
  140. UOK - Are You Okay
  141. UOM - Unit of Measure
  142. UOME - You owe me
  143. UPCIA - unsolicited pool cue in anus
  144. UPG - Upgrade
  145. UPIA - unsolicited pencil in anus
  146. UPMO - You piss me off
  147. UPOD - Under Promise Over Deliver
  148. UPOS - you piece of s**t
  149. UPT - Uptown
  150. UPW - unidentified party wound
  151. UR - you are
  152. UR2G - you are too good
  153. UR2K - You Are Too Kind
  154. UR2M - You are too much
  155. UR6C - you're sexy
  156. URA - you are a
  157. URA* - You are a star
  158. URAB - You are a bitch
  159. URADRK - you're a dork
  160. URAFB - you are a f**king b***h
  161. URAL - You are a loser
  162. URAPITA - You Are A Pain In The Ass
  163. URAQT - you are a cutie
  164. URBAN DICTIONARY - a compilation of slang terms and abbreviations to
  165. URC - You are caught
  166. URCRZY - you are crazy
  167. URE - you are
  168. URG - you are gay
  169. URGH - Expression of annoyance, displeasure
  170. URGR8 - You are great
  171. URHT - you're hot
  172. URI - Uniform Resource Indicator, URL
  173. URL - Uniform Resource Locator, internet address
  174. URL8 - you are late
  175. URLCM - You Are Welcome
  176. URM - You Are Mad
  177. URMS - you rock my socks
  178. URMW - you are my world
  179. URNC - you are not cool
  180. URP - Vomit, throw up
  181. URS - yours
  182. URSAB - you are such a b***h
  183. URSAI - You Are Such An Idiot
  184. URSDF - you are so d**n fine
  185. URSG - you are so gay
  186. URSH - you are so hot
  187. URSKTM - You are so kind to me
  188. URSSB - you are so sexy baby
  189. URSTPID - you are stupid
  190. URSTU - you are stupid
  191. URTB - you are the best
  192. URTBITW - You are the best in the world!
  193. URTRD - you retard
  194. URTW - you are the worst
  195. URW - you are weird
  196. URWS - You Are Wise
  197. URYY4M - You Are Too Wise For Me
  198. URYYFM - You Are Too Wise (two y's) For Me
  199. US - United States
  200. USA - United States of America
  201. USAD - You're such a dork
  202. USAF - United States Air Force
  203. USB - Universal Serial Bus
  204. USBCA - Until something better comes along
  205. USBM - United States Black Metal
  206. USC - University of Southern California
  207. USCG - United States Coast Guard
  208. USCK - you suck
  209. USD - United States Dollar
  210. USENET - United States Ers' NETwork
  211. USER - Someone who uses other people to gain an advantage
  212. USMC - United States Marine Corps
  213. USP - Unique Selling Point
  214. USPS - United States Postal Service
  215. USS - United States Ship
  216. USSR - The Union of Soviet Socialist Republics
  217. USU - USUally
  218. USUK - You Suck
  219. USUX - you suck
  220. USW - Und So Weiter (German for etc)
  221. UT - Unreal Tournament
  222. UTBNB - Up the bum, No babies
  223. UTD - Up To Date
  224. UTE - Utility vehicle, pickup truck
  225. UTF - Unicode Transformation Format
  226. UTFG - Use The Fucking Google
  227. UTFL - Use The Force, Luke
  228. UTFS - Use the f**king search
  229. UTFSE - use the f**king search engine
  230. UTFSF - Use The Fucking Search Function
  231. UTFW - Use The Fucking Wikipedia
  232. UTH - Up The Hoods
  233. UTI - Urinary Tract Infection
  234. UTM - You Tell Me
  235. UTO - Unable To Obtain
  236. UTP - Up-Town Projects
  237. UTR - Under The Radar
  238. UTS - Under The Skin
  239. UTSL - Use the Source, Luke
  240. UTT - Under The Table
  241. UTTT - You Telling The Truth
  242. UTUBE - youtube
  243. UTW - used to work
  244. UTY - it's up to you
  245. UV - Unpleasant Visual
  246. UVE - You've
  247. UVGTBSM - you have got to be shiting me
  248. UW - you're welcome
  249. UWC - you are welcome
  250. UWIWU - You Wish I Was You
  251. UWMA - Until we meet again
  252. UWS - Upper West Side (of Manhattan)
  253. UX - User eXperience
  254. UY - Disrespectful manner of pointing someone
  255. UYA - up your a**
  256. UYAB - up your a** b***h
A  B  C  D  E  F  G  H  I  J  K  L  M  N  O  P  Q  R  S  T  U  V  W  X  Y  Z  0-9  :-)