Urban Dictionary: cracks a fat

jak couldn't crack a fat! how embarassing

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

To obtain or gain an erection
Aussie phrase

by Sarah Kayness November 04, 2004

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

Being repulsively smelly and having the scent of a uncleaned cheesy butt crack

Jake: Wow Kylie smells like booty crack fat
Sharkisha: Yeah she left a trail down the hallway!

by Yugomex April 28, 2016

The extra skin that shows above the pant line when a female wears pants that are too tight.

Eww, look at that chick, She has pre crack back ass fat.

by SlickSista August 05, 2006