It's after you come inside your significant other (any way is acceptable), and then soon after punch them in the back of the head, rendering them unconscious.
"Hey Chris, did you hear that Reid cumcussed Catherine and is now serving 3-8 for domestic violence!"
"I suffered a cumcussion last night and I don't remember who I fucked"
"I suffered a cumcussion last night and I don't remember who I fucked"
by TheMistreatedBallsack69 January 2, 2017
Get the Cumcussionmug. 1.When you ejaculate so hard you get a concussion
2.When you ejaculate so hard you slam your head against a wall during your climax.
2.When you ejaculate so hard you slam your head against a wall during your climax.
by JimDal December 12, 2016
Get the Cumcussionmug. by sasha grey January 4, 2013
Get the cumcussionmug. by Jammerhead May 2, 2022
Get the Cumcussionmug. person 1 - "i heard Katie got a cumcussion"
person 2 - "i'm not surprised, she was hanging out with Ryan last night"
person 2 - "i'm not surprised, she was hanging out with Ryan last night"
by iswallow1234 October 10, 2021
Get the cumcussionmug. by Andotgsw August 2, 2023
Get the Cumcussionmug. by cabbagesz September 8, 2023
Get the Cumcussionmug.