1-A person who has ascertained a position of such high douchebaggery that he takes douchbaginess to a new level to totally blow you away with the inability to respond or act for some time.
"After reaming me for several hours on monday about my TPS reports and making me work late every day of the week, my Douche Cannon of a boss made me work on saturday as well!
I think I'll just not come to work anymore."
I think I'll just not come to work anymore."
by Caseofthemondays December 22, 2010

Sperm Cannon or more known as -IFwsI- Sperm Cannon~, he is a rather famous and annoying hacker in the game CS2D. He hacks and annoys a lot of people. Banning him is useless.
by XDmlgXD October 4, 2016

by CAHERMAN February 7, 2022

Someone known to fly off the handle at even the smallest obstacles. Usually someone like a Cathy or a Catherine. This type of person can be quite dangerous, and have been known to mow down pedestrians for pleasure.
Did you see that loose cannon? She just ran that dude over for no reason at all, like a real danger in the shadows!
by acktionjac June 7, 2018

When a man nuts (or cums) into another mans urethra then they nut back into your mouth forcing you to swallow creating a snowball effect.
KYLE: Aye Jim you wanna get together with the boys and do a snowball cannon?
JIM: FUCK YEAH LETS DO IT!
JIM: FUCK YEAH LETS DO IT!
by The_Crotch_Fire March 25, 2019

Yo, is that the loose cannon's child over there?
That girl keeps dropping babies like a loose cannon drops ammo.
That girl keeps dropping babies like a loose cannon drops ammo.
by Deputy Douchebag October 5, 2020

Keri cannon is hot and she thicc with a mega big belly ;) dont mess with Keri cannon she will destroy your bloodline
Boy:"woah did you see that girl shes so thicc and she just dropped that kid, daayyymmmmmnnn!"
Boy 2:"yeah that has to be a Keri cannon"
Boy 2:"yeah that has to be a Keri cannon"
by Bigbootyfrigginthot November 13, 2019
