Top Definition
to masturbate at your computer
My chica caught me mousing off last night.
by Herb N. Dictionary October 25, 2002

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or mau5 off: the act of masturbating to, near, or while listening to the electro music sensation deadmau5. Also known as mau5turbating or beating the mau5.
Joel: Yeah dude, I just finished my new dub5tep song, did you hear it?

Tommy Lee: Yeah dude, It made me mouse off. Shit was so cash
Joel: Awh man, Suck it, Noob.

Tommy Lee: Whats a noob?
by lolcatswut April 18, 2010

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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).

Buy the t-shirt