A sexual position where the man is standing and the woman is facing away from him. She is suspended in air supported by the mans penis and hands. The mans hands are placed on the breasts, or hips for better support. The woman puts her arms out like she is flying. The sex position "SuperGirl" was coined by Dennis Collier.
Since Dennis was strong enough he was able to try the supergirl with his girlfriend.
by Dennis Collier June 02, 2006
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The act of sexually christening a vehicle or location with a female. This is the less degrading variation of superman dat ho.
Me and Lisa are going to sneak into her office after midnight and Supergirl her desk.

After we left the bar, we parked in a dark spot in the apartment complex so we could Supergirl my new Jeep.
by tedZilla99 May 11, 2009
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Ditching a trip to six flags with your friends for your girlfriend. No one is cool with that.
Jake: Hey, we should all go to six flags.

Nate: I'm down.

Austin: Me too!

*two days later*

Austin: Hey guys, I can't. I'm hanging with my girlfriend.

Jake & Nate: What a supergirl.
by bootycallmike July 24, 2011
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