Top Definition
Wearing only a football helmet while dead horsing a girl passed out on the couch after a late night dance party
If you don't stay awake, Asstor Troy will Dirty Mark you after taking your ass off.
by Rooms July 21, 2006
A person with strange sexual urges, fantasies, and behavior involving objects, suffering or humiliation, or nonconsenting partners. Often has a scottish accent.
He was having a Dirty Mark moment. He glared at the girl with his Matty Lamps.
by :-)))))) July 14, 2008

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