A person demonstrating a sour, bad attitude . Being in a bad mood or a grouch .
Wow, what did you do to him??, Jason's a real Crab Apple McNasty today"
Ordering the whole McDonald's menu trying to have an orgasm before receiving your food.
Can be played single player or Co-op
Hardcore mode: Spankbank only! No videos
David: Have you done the McNasty?
Bob: Don't you see the McDonald's bags in the back?
David: Hardcore or easy mode?
Bob: Hardcore baby! spankbank is full!
The "family friendly" YouTuber that plays rainbow six siege with soup, Doo and grizzy
Me: have you watched Mcnasty
My friend: no
Me: :(
If something is overly nasty or toxic, mcnasty is a better term. Made better known from Creators D1Verified and Litfamous.
The act of taking two McDouble's, removing the top bun off of one, and the bottom bun off of the otherone, so that there is a 4 patty burger, and putting a McChicken patty between the 4 patties.
"Hey, lets go to McDonald's and make a McNasty"