What does UPOS mean?

you piece of s**t



Other definitions of UPOS:

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How to use the term UPOS:

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More slang terms:

ROTFLMFAOPMP

ROTFLMFAOPMP

rolling on the floor laughing my a** off pissin my pants

HIJACK

HIJACK

start an off topic discussion

BTCOD

BTCOD

Beyond the Call of Duty