when your jaw senselessly loses control and moves side to side without you being aware of it: under the effects of ecstasy.
yooo check mikey's slippy gurn!

man that pills giving you a slippy gurn bro

woah that guys gone all the way to spangladesh, slippy gurn for days
by smallmally bigs May 24, 2017
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Gurn is another word instead of using the word nigger or nigga.
Hey mom, look at all those gurns walking through wall mart or Hey dad, how many gurns did you arrest today
by oldNige March 28, 2019
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-To make a grotesque face; grimace.
-To make a ridiculous or unpleasant facial expression.
Scots dialect, variant of “grin” from Middle English “grine” from Old English “gryn”
Used in a sentence:
“Despite the cooking classes, her cooking always makes Mr. Pendleton gurn.”
by Zed Numar July 13, 2021
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Someone who takes so much MDMA that they are a tripping little goblin creature that sits in the corner munching his face.
"Dude you dropped to much, you were just sitting there like a little gurn monster"
by The junkeymonkey November 05, 2011
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