1 definition by BobGre

Top Definition
When a guy cums on a girl's back while she sleeps and then sticks a cape (blanket) on her back, thus making her superman. Men usually do this because they are pissed at the girl for some reason.

Used in the AIDS filled song of "Crank that Soulja Boy"
Dude, I totally supermanned my girlfriend last night because she wouldn't blow me.
by BobGre December 30, 2007

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