When one nasties, they made a mess out of a situation. Similarly to Chucked Up, when one nastied a situation, they made everything awkward, or just uncomfortable for everybody involved. Can also be in athletic events when one makes a mistake.
Person 1: Do you wanna dance with me?
Person 2: Sure
Person 1: I'ma stand next to you and not dance with you even though I just asked you to dance.
Person 2: Ok I'ma leave.
Person 3: You nastied that up Chuck
Person 2: Sure
Person 1: I'ma stand next to you and not dance with you even though I just asked you to dance.
Person 2: Ok I'ma leave.
Person 3: You nastied that up Chuck
by yellowpanda May 6, 2018

by Palmer Gross October 27, 2008

by Hudson Abbadere October 26, 2015

When you pour a Capri Sun in your girlfriend or wife's vagina and begin to fuck her until you cum then proceed to drink it with a straw
by Twatguzzler301 March 5, 2021

The Nasty Adam:
When you take a bunch of raw fish and fill a balloon with it and then blow the balloon up into your asshole. Then you walk around like that for 3 days and then you shit-fart the fishy balloon out of your asshole into your girlfriend's mouth and she sings a rousing rendition of "I've been working on the railroad" while giving you a blumpkin.
When you take a bunch of raw fish and fill a balloon with it and then blow the balloon up into your asshole. Then you walk around like that for 3 days and then you shit-fart the fishy balloon out of your asshole into your girlfriend's mouth and she sings a rousing rendition of "I've been working on the railroad" while giving you a blumpkin.
by Hopalong Assidy March 12, 2021

A term for weed that hasn't been properly flushed of fertilizers the last one or two weeks of its life. It usual has a very bad taste, and will sometimes cause excessive and uncontrollable vomiting.
Me and my bro's were smoking, but it was some dank nasty shit, and i threw up all over the couch.
- don't smoke dank nasty-
- don't smoke dank nasty-
by budwhiser1 February 3, 2013

by Brandon jjj June 2, 2016
