When a female/male is riding their partners face, and on orgasm they defecate on their partner's forehead and flatten it with their ass cheeks.
Marry was riding my face so hard and gave me the largest Michigan Flat Tire that I'm still trying to wash it out of my bangs.
by Delaware Seagull Shake May 17, 2022
Get the Michigan Flat Tiremug. When a girl sucks you but she catches you with her teeth so deep that your penis loses all stiffness.
by The_DestroyerXP March 9, 2018
Get the Flat Tiremug. by Leterz May 4, 2021
Get the Flat Tiremug. Flat tiring someone is when one man jerks another man off until he is no longer able to become erect for a certain period of time.
by JinkyMinus February 3, 2025
Get the Flat Tiremug. chubby person farts Dang! You need me to call roadside assistance?!? Sounds like you just got a flat tire!
by FDubs January 5, 2025
Get the Flat tiremug. by Lonzo Lavar May 29, 2018
Get the Flat tiremug. by JinkyMinus February 3, 2025
Get the Flat Tiremug.