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a woman or girl who spends too much time online, forgetting other important things like family and friends; an unhealthy cyber-addiction in the female species.
Don't even try to ask Modemoiselle what's for dinner tonight...she's too busy on the computer "looking up eggplant recipes."

Modemoiselle isn't coming tonight, she's got a date with her computer...
by tik-tiki August 29, 2008
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