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putting a t-shirt under a girl and fucking her in the ass because she is on her period.
Maria was on the rag so Tim got an old t-shirt of of his closet and dirty nelly'd her.
by Tim Conway November 20, 2008
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2
When you take a shit in a bar with only one bathroom toilet for both the males and females. After shitting you clog the toilet with toilet paper and rip off the toilet seat.
He is doing a Dirty Nelly in there. We had to leave before anyone else goes in there so no one can blame it on us. He sure is a filthy motherfucker.
by Chinky1812 June 05, 2015
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