When one amuses oneself far too heavily, too often, and as a result, laughs out loud at their own jokes frequently.
Man, this chick always laughs at her own jokes. It's like a serious case of lolsturbation.
by Pseudo Hanyou October 29, 2009
1 more definition
When a guy plays League of Legends and makes groaning noises as he plays sounding as if he is masturbating.
by Cack Mongler December 01, 2011