Top Definition
adjective: having a concussion
Kori was concussed after sneezing so hard that she startled her kittie cat.
by arrrbooty May 30, 2006
When someone's high, but you don't want everyone to know. It can be used around parents and just generally adults as a way to covertly mention how stoned your friend is. This usually only works if the concussed person participates in some kind of sports.
Friend #1: Dude what's up with Jerry?
Friend #2: He took a really big hit and now he's concussed
by RagingPrune March 13, 2016
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