A Russian concussion is when you splooge into someones ear while their sleeping, and tape it up. Then when they wake their equilibrium is all off quilter like they had a concussion

For added fun, you can combine the moment by shaking it all up so the person is that much more confused.

Also filling both sides earns extra point for the "double Russian concussion"
"We all laughed hysterically as the soccer team gave Sheldon a Russian concussion after he passed out in the library"
by Seven87 January 16, 2006
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Probally on eof the most brutal forms on torture. The victim is bashed over the head from a block of cheese resulting in severe brain damage, memory loss, internal bleeding and a deformed skull.
Captain sauce: The last thing I want is a cheesy concussion

Torturer: You better tell me where you keep the money
Captain sauce: ok, ok ill tell you everything
by Captainsauceishot November 22, 2019
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n. face down position of the senseless player's body after a severe hit to the head during a sporting event.
Wow! What a great series of bodychecks! A lot of the Manitoba Moose players are lying motionless in the goal crease!

Yeah, those Canadians are kind of concussion prone.
by gnostic1 April 4, 2011
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Slang for the Virginia State Police Department, due to the fact that they are known for assailing citizens at protests until they get them concussions.
I am not going over there tonight. I have no desire to see the concussion kings this early in the week.
by kenoshabrick March 3, 2021
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The act of smashing ones head against a possibly broken object, but usually out of frustration, until that person begins to think they have fixed it.
He performed concussive maintenance on his keyboard until his brain thought he had done enough to get good
by Regisfuror May 20, 2020
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Very large breasts capable of giving you a concussion if you stuck your face between them and the chick violently bounces them back and forth against your head.
Dude! Look at those tits...definite concussion makers!
by Tip Tank April 2, 2011
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when the penis is inserted into an ear and then forcefully trusted foward
by jubacajonessss June 20, 2016
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