Mc Natty 

Term used to describe an overweight person who overindulges in their food intake.

Tarah in a Mc Natty she never stops eating that Mcdonalds.

Mc Natty by H Quinzel April 24, 2009

Filthy Filth Mc natty 

When a man grows out his pubic hairs into filthy dredlocks (hence the term natty) and has a woman suck them clean after oral sex

Person A:
damn I am the filthiest filth mc natty, there is so much crud in there that bitch is gonna have to suck it off
Person B: dammmmn

Filthy Filth Mc natty by D to the I to the E to the N to the a to the s to the t to the y January 22, 2005

Mc Nasty 

When someone has sex in a McDonalds restroom.

Rick- Chad did you have a Mc Nasty yesterday?
Chad- Yeah right after my Big Mac.

Mc Nasty by a keyboard December 2, 2009

Salty mc Nalty 

The act of sliding your hand on the side of your scrotum and receiving sweat and smacking your friend in the face with it.

Dude I gave Adam a wet salty mc nalty yesterday!

Salty mc Nalty by blalblalb August 7, 2009

Rasta-Mc-Nasty

Having nasty hot sex anywhere but the bed

Guy 1: Hey why are those people doing it on the ground?

Guy 2: They must be doing the rasta-mc-nasty

Rasta-Mc-Nasty by SOL-DUDE July 29, 2011

Chicken Mc'Nasty 

A fat bostonian who likes fast food.

You'r such a Chicken Mc'Nasty

Chicken Mc'Nasty by Nickabob February 11, 2008

Sick Mc Nasty 

Used to describe something cool or awesome that happened, or will happen

Bro1:That was a great concert
Bro2: Yeah dude it was Sick Mc Nasty


Girl1:Are you going to the party tonight
Girl2: Yes i am, i hear that its going to be Sick Mc Nasty!

Sick Mc Nasty by The Haterader April 29, 2009