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 27, 2011
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When a girl is inexperienced at giving blowjobs and scrapes her teeth up and down your shaft and may accidentally bite down on your penis.
Dude that girl sucks at giving blowjobs! Bitch gave me a Grinder!
by BeansMcgee May 25, 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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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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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 1, 2012
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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 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 13, 2006
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