Top Definition
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

The Urban Dictionary Mug

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The Urban Dictionary Mug

Lotsa space for your liquids.

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The Urban Dictionary Mug

Your favorite word on a white mug.

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The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

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The Urban Dictionary T-Shirt

Soft and offensive. Just like you.

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The Urban Dictionary T-Shirt

Smooth, soft, slim fit American Apparel shirt. Custom printed. 100% fine jersey cotton, except for heather grey (90% cotton).

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