The act of repeatedly pounding the ass of another living thing by way of pelvic thrusts
Friend 1: I gave that girl some prime crush butt last night

Friend 2: I know, the moaning kept me up all night you motherfucker.
by Butt Crusher June 8, 2014
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Verb

Having agressive anal sex without lubrication.
I heard Drew was butt crushing Emily at that party last night, that's why shes's walking funny today.
by HauckaFlocka/T-Pimpin February 15, 2011
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One who as crush on some person's butt
Marilyn has a butt crush on Scottie
by Dirty Dancing September 1, 2008
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