Definitions by Sourcherios
Piston Undo
Guy A: dude remember that girl from the bar
Guy B: yea
Guy A: I took her home last night and gave her a piston undo, she couldn't even get out of my bed this morning and kept complaining about how sore she was.
Guy B: yea
Guy A: I took her home last night and gave her a piston undo, she couldn't even get out of my bed this morning and kept complaining about how sore she was.
Piston Undo by Sourcherios December 27, 2009