1. Noun. A pecular, facetious yet surprisingly funny in a subtle way to refer to someone's penis.
Also a professional soccer player from Germany.

Shut the hell up before i kick you in the sweinsteiger.

OR

Sweinsteiger made a hell of goal the other day, did you see it?
by Renzo Cervantes July 24, 2006
Get the sweinsteiger mug.