2 definition by mcmaniac

Top Definition
a woman who is so bad in bed, she would be more fun unconscious
Tom: How was your date last night, dude? Dave: Pretty bad, if she passed out it would have been better. Tom: Oh, so she's a Cosby Girl.
by mcmaniac January 12, 2015

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Usually hyper, drinks alot of energy drinks, constantly talking about mcfly, writing fics on mcfly
"so i see your a mcfly fan, are you seeing them live this year?"
"omg. im going to see mcfly on every date on their tour."
"great. why so many?"
"because it's mcfly. mcflymcflymcfly"
by McManiac February 25, 2009

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