the doing of sexual intercourse while on the roof of toys r us while giving your partner a texas chili bowl and singing old elvis songs
by Josh Chotta December 13, 2008

a reference to a human being that stuffs their fat into a pants size way too small so that their hairy ass crack hangs out.
also a word to describe something very discusting, or to complain.
also a word to describe something very discusting, or to complain.
'Escuse me sir, I'd like to speak with the McManager about these MCNASTY french fries. I'm very unmcsatisfied with their utter mcnastiness.'
'WHOA DUDE! look at that heffer's ass! it's so effin mcnasty. it's a full moon tonight, ehh?'
'WHOA DUDE! look at that heffer's ass! it's so effin mcnasty. it's a full moon tonight, ehh?'
by the mcmanager March 25, 2009

by GoonGrizzy October 17, 2020

by The Real Pab July 30, 2008

by McNastied July 23, 2005

Ordering a McDouble and a McChicken, then putting both patties between one set of buns, to create one nasty sandwich.
by sirpilf March 15, 2010

1) derived from adding mc onto every word.
2) refers to a boyfriend who has weird habits, crab claws your chest or wont have sex with you even though he has no chance of getting laid.
3) someone who has bad acne and sort of looks like a gremlin because of it
2) refers to a boyfriend who has weird habits, crab claws your chest or wont have sex with you even though he has no chance of getting laid.
3) someone who has bad acne and sort of looks like a gremlin because of it
1) The roadkill we just passed is mcnasty.
2) Mcnasty is coming over but we wont DO anything.
3) I got put on this cream because my face was mcnasty.
2) Mcnasty is coming over but we wont DO anything.
3) I got put on this cream because my face was mcnasty.
by Kalaniiii June 30, 2006
