Any one-shot-kill weapon in an FPS game. eg. The AWP from Counter-Strike or the Barret from Soldat. Generally favoured by campers and the like who are too scared to get anywhere near the real action during a game.
by CinnamonToasties June 6, 2009

Two opposing players set up cheek to cheek in a tub full of water. Each person pushes as hard as they can and the first to send excrement into the others anal cavity is considered the winner.
When we were younger, me and my sister would have Old-School German cannon battles. Really that’s what started my fetish…..
by XiiphiiK July 14, 2024

When you eat a 72 ounce steak! Than on the way home from Texas at a rest stop. You bend over "pull one off" (masturbate) and fire a 72 ounce shit at the wall!
by Poomaster Kyle June 9, 2021

Is Where you load your Ole lady's chocolate star fish with Peruvian marching powder and have her fart that right up the hoover shoot while sniffing as hard as you can.
by HookerHuey June 9, 2024

A very long (sometimes unnecessarily so) response to a comparatively (or even extremely) short argument.
Person 1: Cheese good
Person 2: Actually, due to various dietary studies and research performed by professors at the University of Massachusetts, it has been shown that cheese is actually-....
Person 1: Sheesh, no need to respond with a cannon to a pebble
Person 2: Actually, due to various dietary studies and research performed by professors at the University of Massachusetts, it has been shown that cheese is actually-....
Person 1: Sheesh, no need to respond with a cannon to a pebble
by Herr Shrek December 19, 2021

The nit cannon is when someone has pubic lice and they crawl into your anus and eat the poop and when you have violent anal with someone they will get the nits in the tip of their penis and when they pee they will shoot the nits out
Guy 1: Hey do you want to do anal?
Girl 1: No sorry I have pubic lice
Guy 1: Its okay! We can do the nit cannon
Girl 1: No sorry I have pubic lice
Guy 1: Its okay! We can do the nit cannon
by heixso July 23, 2025

by Bobroz April 18, 2021
