look up any word, like hipster:

1 definition by Elvis O'Keefe

 
1.
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.
by Elvis O'Keefe September 26, 2011