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1. 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 Nov 25, 2003 add a video
2. 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 Nov 4, 2004 add a video
3. 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
4. crack a fat
to achieve an erection
jak couldn't crack a fat! how embarassing
5. crack a fat
what happens to me when your mother enters the room
damn i'm gonna need a cold shower after this!
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