look up any word, like lemonparty:
 
1.
To laugh when watching porn or some other form of stimulation with right (or left) hand on your penis, rubbing vigorously in an attempt to climax your pleasure all over your computer/bitch/cousin/dog.
Dude: How was that porn I lent you?
You: The acting sucked so bad I lolsterbated.
by Bourgois July 14, 2010