Definitions by tetsuo jones

Pre Shag Wank 

The strategy a man undertakes to avoid being ahead of schedule.

AKA, Tactical wank.

Ginger: Where the hell is Dave?
Jono: Heckfire... I dunno... His new lady's staying over later, I guess he's having a pre shag wank.
Ginger: That explains it.

Pre Shag Wank by tetsuo jones August 26, 2009