Top Definition
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.
Lots of nerdy guys can practice lolsturbation for hours each night instead of doing their homework.
by Cack Mongler December 01, 2011

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