Top Definition
the act of sexual intercourse with an animalistic attitude.
Mom: What was that noise last night?

Me: What noise?

Mom: It sounded like the window opened, and someone crawled in, and you inserted your tiny little birdy into a vagina. Son, Were you doing the dirty dog?

Me: Mom. Me and Alaina were doing the dirty dog.
by Turquoisemen March 20, 2012
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