Some asshole who spends hours on end killing mobs in various MMORPGs with no real aim or purpose to gain levels at a supposedly increased rate.
Did you see that Grinder running around in Stranglethorn Vale? The guy should totally be doing the Green Hills of Stranglethorn quest while killing those humanoids.
by xenoletum May 2, 2009
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The act of failing to recall what to do during sexual activity.
"I just pulled a Grinder" said Alice after forgetting what to do, penis in hand.
by NannyMcPhee May 26, 2009
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The Grinder- First discovered on a Doom 3 demo, is the god of all grinding machines. It is basically a cylindrical pit with a catwalk just overtop of it. Only half of the pit is visible, as the other half is covered (it is a rather shallow pit). This cylindrical hole in the floor has two rotating arms of great mass that rotate at sonic velocities from the center, sort of like a misshapen giant food processor. Countless monsters can be spawned in the grinder only to see the arm sweep them underneath the covered section, and the same arm emerging with nothing but a bloodstain.

The grinder, after being discovered, became the primary method of producing Noobioes, The Breakfast Of Champions. The process is simple- all the noobs of the world are captured in their gaming sessions and MS-DOS prompt "hacking" sessions and are thrown simultaneously. When the grinder is turned on, all the noobs become something like ground beef, and they are then removed and turned into little 'O' shaped cereals. The grinder is truly an amazing device that is not to be taken lightly - however, if wrenches or chairs are mistakenly thrown into the grinder, jamming and lag are sure to ensue- so be careful on the types of noobs that are thrown into the grinder.
"I heard Gerald got turned into noobioes"
"How did that happen"
"Simple, he was thrown into the grinder on the Doom 3 demo."
"Well, he has been turned into something useful! The breakfast of champions!"
by Carson Myers July 2, 2007
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A type of boomer in Gears of War2, using a heavy machine gun. They are tough to take down when they outnumber you.
Grinder! Get Down!
by TheArbiter17 November 28, 2010
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After pink socking someone (see pink sock), whip out the sander and grind away at thier rectum.
I will give you a grinder if you dont stop twitching.
by Dave ENGLAND November 3, 2005
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What some people call using the shower; usually a quick one.
{Ella}: Cummon honey, it's almost time to go to work.
{Norm}: Just a few minutes Ella, I need to go through the grinder first.
by Telephony October 13, 2014
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