the mark left when one hits their partner in the face with their dick after thuroughly buttsexing them and having a poop covered dipstick, leaving a mushroom shaped mark on their head from the remaining fecal matter.
the AQ krew gangbanged wade and they all mushroom stamped him afterwards
13๐ 38๐
To slap a persons forehead with a penis
Person1: "I'm Mexican"
KKK: "Need a mushroom stamp"
Mexican: "Me no mushroom stamp"
4๐ 13๐
the act of pushing the tip of your own cock into your anus - just slightly - thereby inking your tip - and then imprinting the mushroom image onto said victim
If you don't get off of my lawn, I'm gonna mushroom stamp all you little bastards!
12๐ 63๐
A variation of teabagging where the bagger first marinates his undercarriage in a viscous substance such as barbeque sauce or ketchup. The goal is to leave a mushroom shaped mark on the victim.
After a quick trip to the condiment counter you are all set to deliver a mushroom stamp
8๐ 49๐
Placing the head of your Johnson on an unsuspecting person.
I waited till Gina passed out, then I mushroom stamped that bitvh.
4๐ 22๐
Using the head of a penis and smacking someone in the face leaving behind a mark in the skin that looks like a mushroom.
My friend fell asleep so I gave him a mushroom stamp;
I gave my girlfriend a mushroom stamp during a BJ
2๐ 9๐
When you take your weiner and slap it on a girls a**.
"I gave Jessey a Mushroom Stamp to let her know who's boss!"
2๐ 11๐