When the big asian kid tries to do something but falls and smashes his head, shaking the entire classroom.
Man, did you see Hubert just pulled the biggest Godzilla concussion
by Cooncheese May 15, 2017
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the effects felt the next morning after a long night of drinking vodka.
After the party last night, I woke up feeling nauseaous and had a Russian Concussion.
by hockeystar11 January 12, 2010
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when someone with foreskin fakes a concussion to get out of a football game.
"concussion cock sucks"
by the ultimate secret January 19, 2007
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When you drink so much, it's literally as if you hit your liver over it's tiny head with an alcohol mallet and it has a concussion.

If you have liver concussion you're probably hanging like a bitch.
mannnn I drank so much last night I got a liver concussion
by raquelley April 19, 2011
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1.) An anti-personnel device that is designed to damage its target with explosive power alone.

2.) A type of fart where hopefully the Boom warns you before the Shock wave hits, usually resulting in holding one's breath and calling an O-ring repair doctor.
1.) "The perpetrator was neutralized by a concussion grenade."

2.) "Oops! Did u just hear that concussion grenade, quick plug your nose!!"
by Firehawk21_2001 March 6, 2014
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The Russian Concussion is when you are balls deep in a girl and smack her on the ear so hard that it starts to ring. Then, while she's holding her ear in pain, you cum inside her.
I was having sex with my girlfriend the other week and she told me to slap her, so I gave her a Russian Concussion.
by Tommbo66 January 2, 2021
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BOMC is an overused excuse that covers anything from simple blunders to awful failures. This phrase is used as an explanation for common shortcomings and can be used in most any situation. No matter what the occasion or what you did wrong, a concussion can always be blamed as the cause.
*In a small hospital room after a terrible accident while playing Cheerleader Chicken*

Cheerleader #1: Hey, how are you feeling?

Ashley: Abd oto ont. Teird tllite a. (Not too bad. A little tired.)

Cheerleader #1: I have no idea what you just said.

Ashley: Sorry I have dyslexia...Because of my concussion...
by Avon67 February 7, 2011
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