When you're fucking a girl in doggy style and you calculate the magnitude of the force that you're fucking her with, using the mass of your body, and the acceleration that you're thrusting her with. (F = m*a)
by mongolhaaland March 20, 2023

by larva123 February 5, 2020

When the home teams of already abusive sports fans make the playoffs and those fans amp it up to a new level of assholic. Particularly common in the New York and Philadelphia markets.
Josh: "Hey, you wanna go to the Rangers game 7 tonight?"
Claire: "Hell no, those Rangers fans are playoff nasty!"
Claire: "Hell no, those Rangers fans are playoff nasty!"
by cdoubleu May 14, 2013

Dirty, deplorable, disgusting condition; the lack of cleanliness and overabundance of filth often found in a college fraternity house.
"When I saw how much old mac & cheese and other greasy funk was matted on that frat-nasty oven, I literally gagged."
by juleskills October 28, 2010

by shonequa December 15, 2018

by Eda5thletta February 3, 2021

by TheToyMan April 28, 2016
