45 minute friends 

When you have a class with someone you know, but are only friendly with them in that class time.

"John and I are the biggest 45 minute friends of all time!"

"I know you guys are so friendly in English but never talk to each other in the hallway."

45 minute friends by ROcktheCashback February 9, 2012

45’s 

A card game popular in Mingya Valley

The ace of hearts is the third highest card in trump in a game of 45’s.

45’s by davbou April 26, 2019

45 degree

A 45 degree is when a guy is masturbating really fast and he accidently jerks it the wrong way too far and it snaps.

Oh snap!!! Call the ambulance!!! i just 45 degreed myself!!!

45 degree by yourbaby'sdaddy September 28, 2006

45 cm 

A word used to describe a very big penis.

45 cm by Darius April 25, 2003

45 Degrees 

Used when referencing something that manly men do not do but is considered common for homosexuals. "ie limp wrist"

SPOILER...

Taken from the joke about "the difference between Hitler and a homosexual".

Passer by: "so there were four guys talking about the twilight series and debating whether it was a romance or a tragedy."
Guy: "they're all 45 degrees"

45 Degrees by athletictrainer November 11, 2012

45 against 45 

The 45% of women that didn’t vote for the 45th president.

I heard 55% of women voted for Trump. Did you vote for him?
No, I’m 45 against 45.

45 against 45 by Jeallybean123 November 11, 2020

45's 

police, local police, etc.

6 up, rollin 9's, 5-0,etc.
i.e.- Watch out for the 45's
(pronounced four-fives)

45's by R U it January 19, 2006