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.
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if one is said to be cracking a fat, they are gaining an erection
When i saw Burnsy's Mum i cracked a fat
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Commonly used Australian term, to obtain an erection. Can often be used as an insult in a comical sense.
Moff CRACKED A FAT!!!!!
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To gain an erection,male penis becomes long and hard.
on looking at your girlfriend i have cracked a fat
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I seen her panties as she bent over and I cracked a fat right there and then.
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jak couldn't crack a fat! how embarassing
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