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1.
If you are a woman and had a penis installed by your local mexican or circuit city, you had a peniplasty.
mike: hey jenny why is there a bulge in your pants.
Jenny: uh i had a peniplasty.
Mike: sike dude get that abomintation away from me.
by purplestickypunch88 May 09, 2007
 
2.
Surgical procedure to change the female genetalia to male genetalia. Involves slicing the scrote to make lips and total removal of the shaft.
Person 1: wow, that chick really looks like a dude...

Person 2: Yeah, she must have had a peniplasty.
by Kriminal March 10, 2005