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.
by Miss McNasty July 13, 2006
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 12, 2006
-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!
His first time was a McNasty, sucks to be him!
by MBA-BJS December 21, 2009
A rainbow six seige youtuber who is a box head and got views from his friend The Dooo being a virgin.
by Cosmxc69 August 13, 2020
I'll never eat at McNasty's again. Their hamburgers and breakfast stuff have the same gross-ass taste, and the fries are so damned greasy you can almost wring them out. I remember the first time I had a McRib sandwich; it was also the last time. I puked that up that sucker in the parking lot. Beats the hell out of me how they can sell anything anymore. You couldn't pay me enough to get supersized on that tripe they serve.
by Warpig9761 June 16, 2006
by HAUSBABY! April 25, 2009