1. To clear the state of a wedged device and restart it

2. To cut, sever, smash, or similarly disable.

3. The sound made by many 3.5-inch diskette drives.
I'm gonna Gronk you up!
by Haxor November 21, 2002

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Pregnant Prostitute, Used as a derogatory term due to its status.
Wow, you're such a Gronk!

Look at that Gronk on the sidewalk. :O
by Informed Australian October 22, 2013

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The sound that symbolises true Metal music and everything associated to said music. Often used in conjunction with the Devil horns \m/ at a concert.
Slayer: (Plays "Angel of Death")
John: GRONK! throws the goat
by Thunder Goat March 29, 2010

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A bumbling, clumsy, incompetant or otherwise ungraceful person; Someone with little grace or couth. An oaf. See also: a Lindsay
Lindsay is such a gronk. You can hear her stumbling towards you a mile away!
by mrnixxin July 18, 2009

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British Trainspotter speak for a class 08
diesel electric shunting loco. The BTC commissioned about 1100 of them back in the late 50s and a substantial number are still in traffic.

Gronks are sometimes known as Jockos
1V57 failed just outside Reading and they had to use a Gronk to haul it in out of the way.
by Brucester February 24, 2009

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A dinosaur utterance as found in Johnny Hart's syndicated comic, B.C.
Cell 1: The Apteryx is standing in front of The Dinosaur. The word bubble over The Apteryx reads, "I am The Apteryx, a wingless bird with hairy feathers."
Cell 2: The word bubble over dinosaur reads, "Gronk".
by winilula January 16, 2009

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A monster. Evidenced by BC Comic Strip. Modern usage is generic for monster or horror movies.
Let's stay up late on Saturday and watch Gronk Movies.
by Parnassus@Home April 07, 2015

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To conquer or destroy a task or obstacle; to "beast it."
Coined by the tenacious play of Patriots' tight end Robert Gronkoski.
"Dude, today sucked but I gronked through it."
by hotmessinadress February 02, 2015

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