1. The act of being an asshole to a lady. 2. Also can be used as a prank.
Example 1
Parker: Go get me a sandwhich!
Heather: (to friend) God! he's such a rumpfucker!
Example 2
Ben: (to Gaurd) Hi, I'm here to see Mr. rumpfucker
Gaurd: Excuse me?
by malimali November 12, 2007
Get the rumpfucker mug.