Top definition
the act of masturbating while using the computer.
i.e. your right hand is occupied, so you must navigate with your left.
bob: "hey man, are we going drinking tonight?"
bill: "naw man, i have a left hand mousing date with CSL0938 from adultfriendfinder."
by Trent Schoneweis August 17, 2007
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The vengeful act of crapping on a lover's chest while they sleep.

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