The act of eating SO much Sugar, that the next day, you are completely drained of energy and say dumb things. Often acts like the effects of being drunk or high.
Bob: "Hey John"
John: "LOOOOK DUDDDDDDDDE A TREE"
Bob: "What?"
John: "ITS A FREAKING TREE!"?
Bob: "...... What?"
Fred: "He's having a Sugar Crash.
Bob: "Oh."
by SugarCrashisFun August 18, 2011
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Alternate word for fart. Typical characteristics include a loud, ripping, crackly sound quickly followed by a foul odor.
This girl was giving me a rim job when I let loose with the ultimate back crash...
by KY Rider November 29, 2008
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Streamer bfk_fer1yfe's defition for when a driver's ego is too big to maneuver out of an iminent, perfectly avoidable car crash, so they just keep going forward trusting that the other driver will avoid them.
These dogs Nissan Altima drivers could have avoided hitting each other but ended up ego crashing. Hello or no?
by RPFMyHalland November 17, 2022
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Means to get really mad or upset; lose all your self control.
Keep playing with me and I'ma crash out.
by 216ki April 19, 2023
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a short and intensive training course in something
I took a crash course in ballroom dancing.

He gave her a crash course on using Internet
by halo malo July 7, 2008
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On a Day out Mall crashing you would push people over dressed up as hotdogs, scare people by hiding behind the rails in primark, etc.
by Rgreener November 1, 2011
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Is when someone likes Dave Matthews Band just based on the song crash into me...They really don't understand his music, but likes the band based off of a mainstream song.
Nate:Dude so i'm off to the Gorge to see Dave Matthews band this weekend

Josh:I might have to go to that, so I can say I have seen him play crash into me live!

Nate:If you go I will bitch slap you, you Crash Head

Josh:okay, Whats a Crash Head?

Nate: Urban Dic it you Ratard
by The GrooGrux King February 19, 2010
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