crack a fat

vulgar slang To have or get an erection of the penis. Primarily heard in Australia. Many pubescent boys are teased for involuntarily "cracking a fat" in public as their bodies change in unfamiliar and sometimes uncomfortable ways.

Common Names:

Name	Pronounced	Usage
Draven	DRAY-ven	Popular Culture
Rosalie	ro-za-LEE (French), RO-zə-lee (English)	French, German, Dutch, English
ValentÍNa	-	Slovak
Gilberto	jeel-BER-to (Italian), heel-BER-to (Spanish)	Italian, Spanish, Portuguese
Lucius	['lu:sjəs]
Ahtahkakoop	-	Native American, Cree