What does 45 mean?

Other definitions of 45:
- A 45 lb (20kg) standard weight plate used on Olympic barbells. Often referred to as a "1 plate" or "a plate" I hit a new personal best on deadlift yesterday repping three 45's. That's 160kg, not counting the bar!
- Short for "colt 45" The term colt 45 originated with the creation of the colt 45 pistol. It later became the title of an American Western film directed by Edwin L. Marin, Starring Randolph Scott. It was also the title of an American Western TV series which aired on ABC between October 1957 and September 1960
All of our slang term and phrase definitions are made possible by our wonderful visitors. If you know of another definition of 45 that should be included here, please let us know.
How to use the term
45:
I hit a new personal best on deadlift yesterday repping three 45's. That's 160kg, if you don't count the bar!
That idiot is dumber than 45.
References:
There are no references for 45 at this time. We would greatly appreciate your contribution if you would like to submit your own!
More slang terms:

Tripe
Nonsense or foolish talk, typically dismissive in nature.

Ratchet
An adjective describing something or someone crude, obnoxious, or disgracefully uncouth.

Ate
Performed with exceptional skill, style, or confidence, demonstrating excellence.

Dutch Oven
A crude prank in which someone traps another person under bed sheets after flatulence, creating an unpleasant situation.

Fishing in the Dark
Engaging in romantic or sexual activities secretly, usually at night.

OMD
An acronym standing for 'Oh My Days', an expressive reaction used to convey surprise, disbelief, or dramatic annoyance.

TMU
A texting slang acronym for Tell Me Upfront.

Bubble Guts
A sensation of noisy or unsettled abdominal discomfort, typically preceding a bout of diarrhea.

Demon Time
Late-night, often scandalous or wild online activities.

Headass
A mildly insulting term describing someone acting foolishly or saying something incredibly stupid.

Jive Turkey
A person engaging in deceptive or nonsensical talk, often in an insincere or exaggerated manner.