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a female's behind
a girl's butt
a woman's posterior
"man look at the chank on that thang"
by derf January 06, 2005
To bite on someones ear
I jus' Chanked that motha
by Liam richards August 15, 2005
chank is a mix of rank and chat

something that is chat is very disgusting

something is rank wen it sucks
that vomit is soooo chank
by orange frog man May 11, 2006