nick name for red headed people who weigh over 200 lbs. and wears glasses, usually named Kyle.
"yo dog you sho'nuf'is da' big nasty.
by skeaton May 24, 2004
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1) somone with a small flacid penis, or other genetalia. 2)prepubescent fat kids.
a) The Big Nasty Couldn't even tickle the girl.(in bed) b) logan touched the big nasty.
by bound behemouth December 26, 2005
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When a male or female is very hairy, and doesn't groom, trim, cut, or shave their unsightly body hair. Armpits, chest, pubic region, legs, ect.
Ugh I wasn't digging that chick at all, she was hiding a big nasty chewbacca!
by Zachaotic May 20, 2011
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Phrase commonly used by pre-pubescent or pubescent boys directed to girls of the same age or older, usually in the Oak Cliff area. It fulfills the boy's need to communicate with a girl, without them actually having to hold a conversation. Said in the proper accent, the phrase is quite amusing. It was first used by Austin Russel, but spread like wildfire when the 8th grade girls began chasing him after saying these three simple words. One does not have to say or do anything "nasty" to be called "a big nasty."
Jackie: Austin you have a squirrel on your leg.

Austin: You big nasty!
by Diana Stephens May 21, 2005
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"Gimme' a big and nasty and a side order of fries."
by x January 31, 2003
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When a Big'n'Tasty is smashed into one's taint.
Brad just got a big nasty santa fe from logan.
by Twiggles02 April 6, 2008
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