some one who is into the metal subgenre grindcore
Napalm Death are fucking hardcore grinders man!! they practically invented grindcore!!
by JTLC January 02, 2005
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A girl that knows how to back up the ass behind her.
She was hell of a grinder. I should have held on to her longer.
by Mr. Klauz December 26, 2010
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a type of boot most often worn by punks, skinheads, goths, and sometimes hippies. they are infinitely superior to dr. martens because they are actually approved as safety footwear and they don't sprout holes in the heels after you've only been wearing them for six months. the price is slightly higher than that of docs but they're worth every penny.
hot pocket: 'omg! look! i have new docs! they're made by nike now so i know they're great!'
subcultural girl: 'it's a good thing you can get mommy to drive you everywhere otherwise you'd need grinders like the other people who walk wear.'
by kitschbunni September 19, 2007
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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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A U.S. Marine Corps nickname for the drill field, often a large paved avera, where official drill & ceremonies are conducted. New recruits first experience the grinder at their Recruit Depot.
"Our Heavy Hat drilled us on the grinder for 4 hours in the blazing sun."
by Pylon0311 October 01, 2012
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A girl who grinds her teeth alone the shaft of a man's penis.
That chick was a grinder, so I gave her a purple mushroom...see purple mushroom for details.
by Evan Met January 12, 2006
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