McNasty 

Something so disgusting that it challenges the nastiness of any food originating from McDonalds, whether it be actual food or just something really gross.

1. Peanut butter and tuna sandwiches are Mcnasty.

McNasty by Candy Richman June 1, 2004

mcnasty shizzgrizzle 

It's when you lick a clump of feces out of a girl's anus then spit it on to her breasts in a decorative fashion. Then you lick it all up and throw it back up in her anus.

"Performing a mcnasty shizzgrizzle is just M. Night Shamylan making The Village...a betrayal to all normalcy this world has ever known"

mcnasty shizzgrizzle by Snoop Diggity D January 23, 2008

Blasty McNasty

Any person having an extremely great time at a party or event would be known as having a Blasty McNasty.

A heightened sense of crunk.

I had a Blasty McNasty at the party last night.

My birthday was a Blasty McNasty.

Blasty McNasty by coffeesamuri February 2, 2010

Cappa_McNasty 

The greatest video game player to ever pick up a Playstation controller.

Oh shit Cappa_Mcnasty killed me again, that is the best player I ever. Damn....

Cappa_McNasty by poopstick master January 22, 2011

McNasty 

Two McDoubles surrounding a McChicken. estimated around 10,000 cal. thats about 5 days worth of calories but its 100% greasy goodness. Also called the McGangbang because it looks like two black patties surrounding a white one

Bro 1:Dude im starvin'
Bro 2: Lets go to Micky D's
Bro 1: Im totally getting a Mcnasty!!
Bro 2: Dude you're sick!

McNasty by Mark Brenner April 11, 2012

Mara-McNastypants-Dallas

Coke addicted gutter slut a multi rehab dropout and has venereal cysts for fuckin toooooo many scumblebums

That girl is such a scumbag-whore-bitch-cokehead-cumrag shes Mara-McNastypants-Dallasing this whole town

Mara-McNastypants-Dallas by dude mans k dog May 25, 2011

Filthy McNasty 

Moniker attributed to one who constantly uses coarse, obscene or graphic language when speaking.

Man "Why don't you like my brother?"

Wonam "Because he's a Filthy McNasty! He is so vulgar!"

Filthy McNasty by ingloriousone May 25, 2010