Something you bring to a gangbang in case two chicks want to get peed on at the same time that you set in front of your stream in order to drench two targets simultaneously. Preferably an ornate butterknife or family heirloom.
Dude, you see the piss knife I brought on Thursday? My grandpa passed it down to my uncle and he gave it to me when I was a kid.
by shoeze June 3, 2025

The action of using your dick to wipe your cum on a part of your partners body, in a similar fashion to how you spread butter with a knife.
by ElevenOsix June 2, 2018

by frankie, eddie, willy June 21, 2024

When your boyfriend goes on a week long trip and has an urge to place one leg between your two pieces of thigh candy.
by SonOfTheGreat January 12, 2015

“Damn, I’m so hungry, I was knifing the donut.”
“Inmate 275, accosted inmate 2, and knifing the donut.”
“Inmate 275, accosted inmate 2, and knifing the donut.”
by The Official Potty Dancers November 28, 2019

A rape defense.
A woman inserts a knife in her uterus with the handle facing up and the blade facing down.
This way when a man tries to forcefully take her, his penis will be stabbed by the knife.
A woman inserts a knife in her uterus with the handle facing up and the blade facing down.
This way when a man tries to forcefully take her, his penis will be stabbed by the knife.
“I’m a eunuch.”
“Aw shucks man, how’d that happen?”
“I tried to give it to Bernice, but she had a Uterus Knife.”
“Aw shucks man, how’d that happen?”
“I tried to give it to Bernice, but she had a Uterus Knife.”
by oocheeha December 15, 2021

At the point when your boyfriend/girlfriend/fuck buddy pisses you off to the extent that only a knife to the throat and an hour of terrorising the pig will rectify the situation.
A: I flinched whenever you kissed me.
B: You WHAT!
A: Yeah, I never even fancied you. I just needed somewhere to coch and I wanted you to drive me everywhere and buy all my drinks and feed me.
B: Knife moment...
B: You WHAT!
A: Yeah, I never even fancied you. I just needed somewhere to coch and I wanted you to drive me everywhere and buy all my drinks and feed me.
B: Knife moment...
by bashereddin December 6, 2011
