Top Definition
The act of fucking a goat beside a highway then slitting its throat in tandem with the orgasm to heighten the pleasure of course. Then you run away from the cops who will undoubtedly be close behind you.
"Man I can't believe Jon pulled the dirty dean last night. Sure it would feel awesome and stuff, but goddam. That kid is fucking crazy."
by MASCO WVU January 25, 2010
1 more definition
when a bloke goes behind his mate's back and slays his mate's little sister!
did you hear about Reevies? he pulled a dirty dean last night!
by dizzle and wooda March 04, 2008

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