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2.
When performing a Cleveland Steamer, moving one's rectum North to receive a thorough cleaning.
I was surprised after dropping a Cleveland Steamer that she was willing to perform a Detroit Carwash.
by godknowswho February 17, 2009
 
1.
When trying to impress your buddies you pick up a beastly looking broad. Right when she's about to blow you, you proceed to urinate all over her face.
I just gave your fat sister the ol' detroit carwash.
by Tha Dirty Mick October 15, 2006