When you're working hard either at work or at a job.
Charles is grinding at work today.

Grinding trying to get that paper.
by tutie411 September 24, 2018
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Also Known As Dirty Dancing. When a girl is rubbing her ass all over a guys dick until it comes to the point where he gets a woody
i was grinding with this girl with the biggest booty
by ___ October 18, 2003
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Grinding is the most popular form of dancing with somebody of the opposite sex. It is when a guy gets behind a girl and the girl rubs her ass all over the guys front. It can be very intimate but can also get pretty crazy on faster paced songs.
Guy 1: Dude, I got so much ass tonight!
Guy 2: Grinding is the best thing ever!
Guy 1: Good thing we were wearing compression shorts or they would've definitely felt our dicks.
Guy 2: Hell yeah, I was hard as a rock!
by mbo23js November 03, 2013
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Dirty Dancing. When a girl moves her ass on a guys dick to turn him on. Or when the girl and guy face eachother and the girl rubs her pussy with the guys dick or humps his leg. It's any sexy or suggestive dancing.
I grinded with my boyfriend at prom untill he got hard as a rock.
by progrinder July 02, 2005
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original meaning: a dance move that is supposed to include gyration of the hips, whether alone or with a partner. takes skill, and is very sexy. the American word for what Jamaicans call "wining".

today: is sadly usually done half assed by girls bending over and sloppily moving their ass around with little to no skill. the American word for what Jamaicans call "daggering".
"everyone was just grinding at my prom"

"look at them grinding over there"
by lovetodancetoreggae February 04, 2012
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1. Sexual dancing. The act of a female shaking her ass against a male's crotch, typically done in a club and performed to rap or techno music. Can also be called dry humping.

2. Gaming reference. Repeatedly performing an action/event to attain an item. Most commonly used when referring to an RPG (Role Playing Game), i.e. World of Warcraft, Final Fantasy, etc.
1. "Man, I can't wait to go clubbing so I can grind with some chick."

2. "This sucks. I wasted an entire night grinding for experience, and I only leveled up twice! At least I got some decent gear."
by Duality2 June 28, 2009
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what every middle schooler and high schooler does at school dances. basically that boy gets behind the girl and he puts his hands on her hips and they rock from side to side. it's supposed to mimic sex. the teachers hate it.
Bob- dude i was grinding so hard on some chick last night!
john- did you stick your boner up her butt?
bob- we did it through the whole song!
John- wow, i bet you feel guilty, after all you're only a 7th grader!
by cakestersrawkkk September 12, 2010
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