Definitions by Martyn with a 'y ' bitches

Sleep Wanking 

The act of ingesting an entire bottle of sleeping pills and then attempting to whack off before falling asleep.

Martyn: You guys ever tried sleep wanking?
Zach: Yeah! It's great cause you always win
Steven: Unfortunately you can never stay awake long enough to clean up the mess...
Lads: Aye!

Sleep Wanking by Martyn with a 'y ' bitches August 23, 2008