What is Crack A Fat?
1.
Phrase, to "crack a fat", to get an erection.
Possibly related to the British phrase to "
"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.
2.
To obtain or gain an erection
Aussie phrase
"He was so drunk he couldn't even Crack a fat"
3.
to obtain an erection, or hard on
dont crack a fat over her cuz she will look like her mother in 10 years
See
4.
what happens to me when your mother enters the room
damn i'm gonna need a cold shower after this!