McNasty

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.

by McNasty January 20, 2003

McNasty

When a guy nails a chick in the ass and then she sucks his cock.

Guy 1: Dude, did you really give her a McNasty?

Guy 2: Hell yeah!

by dafrog_05 March 16, 2009

McNasty

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.

by Chuck August 22, 2003

McNasty

Some drunk bastard playing Socom.

by Anonymous July 29, 2003

McNasty

Usually a pretty girl, but also tends to be visably crazy. Usually spotted in North Beach; does not F*&@ with roofies as they are real and not a joke.

She is a real live person, that McNasty.

by Miss McNasty September 5, 2008

McNasty

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

by dzman April 27, 2006

McNasty

-noun, overweight, ugly, disgusting McDonald's worker who you fuck; someone who nobody but YOU would have sex with

1. Dude, the drive-through lady is disgusting... That's a McNasty!

His first time was a McNasty, sucks to be him!

by MBA-BJS December 21, 2009