cracks a fat

to have an erection.

guy 1: dude, I think it cracks a fat
guy 2: whats that?
guy 1: Get a hard on
guy 2: Nice.

by Choot&Lund April 30, 2006

Crack a Fat

To open a nice cold beer.

Hey barkeep Crack a Fat for me.

by Utemadjason March 7, 2020

crack a fat

to achieve an erection

jak couldn't crack a fat! how embarassing

by shitface1234567890 May 6, 2011

crack a fat

to obtain an erection, or hard on

dont crack a fat over her cuz she will look like her mother in 10 years

by beccabee charmer May 8, 2008

crack a fat

what happens to me when your mother enters the room

damn i'm gonna need a cold shower after this!

by Col Crass in the ass April 8, 2005

Crack A Fat

To obtain or gain an erection
Aussie phrase

"He was so drunk he couldn't even Crack a fat"

by Sarah Kayness November 4, 2004

Crack a fat

Phrase, to "crack a fat", to get an erection.

Possibly related to the British phrase to "crack one off", to masturbate successfully.

"Crack a fat" is commonly used in Australia.

The teacher wanted me to solve the equation on the blackboard, but I'd cracked a fat (being 15 and all) and was afraid to stand up.

by Frantic November 25, 2003