It's like sex with clothes on... just in public.
Marty: "All I see are people grinding on each other at dances and clubs..."

Bob: "Well it's basically public approved clothed sex."
by Natobi May 14, 2014
A repetitive task usually involved in a Massively Multiplayer Online Role playing game (MMORPG) where a character's skill's are based entirely on killing monsters to gain strengths or levels. In most MMORPGs, there is no skill from the player involved, so anyone who plays 20 hours a day of grinding will be stronger than a player who does not. MMORPGs become a game genre filled with those who are too slow to play First-Person Shooters (FPS) or too dumb to play Real Time Strategy (RTS) but want to brag and be 1337 g4m3r so they play 20 hours a day and boast to "n00bs"
me_is_n00b: Johnny, what level are you?

Grinding_Johnny210: I'm level 250+

me_is_noob: wow you are so uber 1337! You must be so good at this!

Grinding_Johnny210: Yea, it's pure skill.

me_is_noob: I wish i could grind like you, unfortunately, I have a life, a job, a car, a girlfriend..

Grinding_Johnny210: You suck n00b!
by dude112233 January 07, 2006
Social Dry Humping
Quit grinding on that girl, instead of quit socially dry humping that girl.
by TheDumpsterSucker May 09, 2016
the repetitive, action of using the same technique to level up a character in a level based video game, such as Pokemon, World of Warcraft, or RuneScape
Man, I had to do some serious grinding to get my Charizard up to level 100
by Quintus5 May 05, 2011
To do your math homework
person 1: oh man, i was grinding hardcore last night.
person 2: oh yah man my teacher tells me im a good grinder.
by joethegrinder October 17, 2010
To consume a tremendous amount of a certain thing: can be practically everything: time, food, person. used as a verb: Grinding halo, playing a game with friends for more than 6 hours in a row. Grinding baconstrips, eating and eating, knowing that there is too much that you can physically consume.
'Hey, I have nothing to do for the coming three days.. I'll just go grinding halo untill I die. wanna come over?
by Heroic May 07, 2012
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