When someone rubs or grinds their ass crack on someone or something leaving behind a coffee colored stain that smells and tastes like feces.
by Xo'clock November 10, 2009

Grind is the mixture of death and extreme punk, characterized by gutteral and screamed vocals, fast picked shredding guitar riffs, and often gorey and brutal lyrical themes
Source - J-Music Ignited
Source - J-Music Ignited
Grind Metal Bands - Basket of Death, Bathtub Shitter,Butcher ABC, Disgust, Flagitiuos Idiosyncrasy in the Dilapidation, Gibbed, G.I.S.M, S.O.B., Throb of Offal, Yellow Machinegun
by blackduality April 4, 2008

Right before it was time for Shane to go to work he asked Jessica if she wanted to Hop a grind really fast.
by KJlovee October 9, 2010

when a couple straight dudes start making out; can also be used as a pejorative or emasculating insult, implying that a man or men (especially guys that hang out with each other a lot) are homosexual. sarcasm expressing disappointment in the excessive male population of a space, and lack of feminine company.
You want to do some beard grinding at the sausage party later?
why don't you two stop beard grinding and take your shots?
why don't you two stop beard grinding and take your shots?
by the phenomenom December 23, 2008

by stevofucdurmom October 7, 2004

When two people, a female and a male, are grinding on each other. Then at the same time the man reaches over and startes groping and rubbing the females boobs and they continue grinding.
by Titty lickerx October 17, 2007

by fungusrare July 9, 2011
