търсене на която и да е дума, например half chub:
 
1.
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!
от Martyn with a 'y ' bitches 26 юли 2008
 
2.
Indulging in the act of masturbation while sleeping, usually performed by a man during a period of sexual frustration.
Tim has never had sex. One day, he woke up in his bed with a puddle by his side; he was sleepwanking.
от Elvis O'Keefe 26 септември 2011