When a man attempts to initiate vaginal, doggie-style sex but his penis slips upward into the woman’s butt crack and/or anus, (colon). See also Belgium Misfire.
Dude, why is Sandy walking so funny? Oh man, last night I tried to hit that shit from behind and totally busted a colonial slip right up her ass.
by TacomaBeags April 14, 2011
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