a male or female who happens to be incredibly large and most of the time have a foul stench hence mcnasty. you can usually find these people at bars, ctreet corners, parties, and dances. there is a small chance that you could see a fatty mcnasty at a show. those are referred to as scene fatty mcnasty. those are clearly the worst type of fatty mcnasty's.
me: damn did you see Aly?
guy1: yeah. shes gross. i hear shes scene fucked everyone in every band in this showcase.
guy2:jeez! thats one fatty mcnasty right therrr!
guy1: yeah. shes gross. i hear shes scene fucked everyone in every band in this showcase.
guy2:jeez! thats one fatty mcnasty right therrr!
by gina[thelumberjackie] October 7, 2007
Get the fatty mcnastymug. (noun) Plus size women down to seduce Kenneth West, Moe's Burrito Artist.
(adjective) Oversized women willing to pursue sexual intercousre with gingers.
(verb) To Fiesty McNasty
(adjective) Oversized women willing to pursue sexual intercousre with gingers.
(verb) To Fiesty McNasty
by Senior Gato February 17, 2008
Get the Fiesty McNastymug. by Angelic_Sherry June 11, 2006
Get the Sally McNastymug. by donpedro101 November 16, 2011
Get the slut mcnastymug. when someone eats their food in a manner that would induce vomiting from anyone unlucky enough to be near them at that time. especially people that get grease or sauce all over there face while eating. the more zits the more likely you are dealing with a true Thasty Mcnasty.
by hookman13 July 9, 2010
Get the Thasty Mcnastymug. by JiSiL October 18, 2014
Get the Shasta McNastymug. by philbert trumpeteer poop January 1, 2004
Get the shazza mcnastymug.