Top Definition
the act of pressing random keys on the computer for no particular reason; usually occurs when instant messaging.
Matt: and then i told her to make me a sandwich
Adam: ck16abacn'.,b5tmclms
Matt: you must've not taken your computourettes medication today
by ChaDam315 January 26, 2011

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A condition similar to Tourette's syndrome wherein a sufferer repeatedly interjects nonsensical phrases or profanities in computer-based conversations.
On Facebook Chat:

Person 1: hey how are you?
Person 2: arrrrg!!!!!!
Person 1: wtf do you have computourette's!?!
by nomaamyousmell August 25, 2009

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