When something or someone gets real difficult to deal with in a hurry. Or, when things are going real well and turn to real bad in an instant.
That test was pretty easy, but then the last section snapped nasty.
Whistling Straits golf course snaps nasty.
Whistling Straits golf course snaps nasty.
by Wide Open Throttle March 5, 2009

The ability to be the best in any subject
Like Goku going super sayian against Frieza and Whooping that alien ass
No one can stop you when its time to get fat and nasty
Bout to get all Fat and Nasty -Evan B
Like Goku going super sayian against Frieza and Whooping that alien ass
No one can stop you when its time to get fat and nasty
Bout to get all Fat and Nasty -Evan B
“You cunts have Pt in the morning”
“Hell yeah bout to get all fat and nasty”
“Food is ready”
“Fuck yeah! Bout to get all fat and fucking nasty”
“Hell yeah bout to get all fat and nasty”
“Food is ready”
“Fuck yeah! Bout to get all fat and fucking nasty”
by ETIMENE September 10, 2022

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

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
