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 3, 2017
by mattdaddy69 January 13, 2018
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
by Chickentenderbaby! November 21, 2020
by Andotgsw August 2, 2023
by Andotgsw August 2, 2023
by Jammerhead May 3, 2022