Wyszukaj dowolne słowo, na przykład dirty sanchez:
 
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!
dodane przez Martyn with a 'y ' bitches lipiec 26, 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.
dodane przez Elvis O'Keefe wrzesień 26, 2011