by bullfrog_jwa December 11, 2012

by Porscheviagra November 16, 2018

Josh: I saw Alec walk out of the Library crying, is he okay?
Connor: Yeah he was probably doing the Sad Nasty with his girlfriend again.
Connor: Yeah he was probably doing the Sad Nasty with his girlfriend again.
by Centurion_Code May 21, 2018

When you cum in your womans pussy then put your fingers in her cum flooded snatch and wipe them under her nose. Also called "The Armor All" treatment.
by SlickStickRick May 8, 2014

Aka, the person who messes up your stuff and/or rolls clay to you. A common name for a Nasty Rat is Avery and Carson.
by Miss Ma'am Sir February 10, 2020

The act of fingering a girl on all fours with both hands, one from the front and one from the back to have your arms form a letter "M".
Someone put up a awesome shot of Sally getting a McArch Nasty in the Starbucks bathroom online. She's a whore.
by Jiggamanflossin November 21, 2010

(n., pl.) The multitude of women that can be found on the Internet from either personal sites or chat rooms. These women can be easily detected by their obesity and sub-average physical attractiveness.
Yeah, I tried looking for a woman on those Internet personal sites, but all I came up with were a bunch of fucking fat-nasties.
by K-Von March 14, 2005
