When you take a nasty liquidy shit, usually caused by rancid meat from Wendys or Mcdonalds.
Lev took a Mcnasty which stunk up the joint.
von Chuck 22. August 2003
Very "attractive" girls of a certain age that go through a phase when sexually attracted to Vin D

A girl that is blindly looking for any guy of any type to attach themselves to.
Holy shit, look at all Vin D's Mc Nasties!

Wow, someone help Vin D! He's being swarmed by his Mc Nasties!

And the legendary one.
Vin D stop texting your fucking Mc Nasties!
von Herman Andy Jimmy Chris 30. Januar 2008
Nickname for Philadelphia Eagles QB Donovan McNabb. The second best QB in the NFL, right after Peyton Manning, McNasty has never finished worse than 11-5 when he has played a whole season. Five time Pro Bowler who became first QB to throw 30+ TD passes and less than 10 INTs in a season in 2004 while leading the Eagles to the Super Bowl. Will win a Super Bowl very soon. Rock on #5!
Donovan McNasty once held the ball for 14 seconds while being chased by several Dallas Cowboy defenders right before launching a 60 yard completion to Freddie Mitchell.
von Dewey 13. August 2006
a brotherhood that throws retards in the trash can.
the mcnasties threw that retard in the trash.
von mule 6. Dezember 2003
Some drunk bastard playing Socom.
von Anonymous 29. Juli 2003
McNasty
v.
1. When one fucks a chick in the ass, and proceeds to suck their own dick.
(requires extremly high levels of flexibility)
Jamie never has a girlfriend, because he pulls the McNasty every chance he gets and scares them all away.
von McNasty 20. Januar 2003
it's where u have diarrhea, then u shit on a girls/guys chest and then wrap them in plastic wrap.
a guys girlfriend is sleeping and he gives her a McNasty. she wakes up and is covered in shit because she is wrapped up in plastic wrap
von dzman 12. April 2006

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