Top Definition
understand,appreciate actively and profoundly, fully comprehend; also, to think about, listen to, play, or contemplate something or someone with full love and understanding, even ecstacy. Often done stoned.
(s)he spent the whole museum visit just grocking one painting. I go to the park to grock the trees. MCEscher really grocked Goedel's theorem.
by guy May 10, 2003

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Alternate spelling of grok.
To thoroughly understand something through the metaphorical process of drinking it in.
"I've taken calculus four times, and I still don't grock it."
"If you really groked a Stranger in a Strange Land, you wouldn't spell it 'grock'"
by Team Andy June 20, 2007

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A particularly large person, both in height and in weight. Usually lacking in intelligence, a Grock is often dull witted and slow minded.
"Aw! That Wayne Rooney is such a Grock!"
by Wee Crawk September 09, 2009

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An emerging genre of music in which rock, punk and or heavy metal characteristics, tones and melodies are melded with hiphop rhyme patterns and instrumentals... Music Artist such as Mars Sinatra, Yelawolf and Lil Wayne are credited as pioneers of G-Rock.
That song "Drop the World" by Wayne is straight up G-Rock!
by Mikki GoNuts June 24, 2011

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Another word for a bald penis.
I have a grock so that when I'm getting head my girl isn't flossing.
by grock101 November 25, 2016

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One gram rock cocaine
by Lehem October 18, 2003

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gross cock
to describe a man who sleeps around relentlessly, the male equivalent of a whore or slag
That guy is such a grock.
by rhythmicnova April 05, 2014

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