A fork of Rural Dictionary
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.
if one is said to be cracking a fat, they are gaining an erection
When i saw Burnsy's Mum i cracked a fat
Commonly used Australian term, to obtain an erection. Can often be used as an insult in a comical sense.
Moff CRACKED A FAT!!!!!
To gain an erection,male penis becomes long and hard.
on looking at your girlfriend i have cracked a fat