A person who screws up so much and in such a manner that his ineptitude effects other insulated situations without limits.
"Jim screwed my project..."
"He wasn't even a part of it"
"Yeah but he messed up so badly it dropped all the budgets for the entire r&d department... He is such a fuck-cannon"
"He wasn't even a part of it"
"Yeah but he messed up so badly it dropped all the budgets for the entire r&d department... He is such a fuck-cannon"
by Stranger 15 September 21, 2017

A vagina.
by George Wellington October 2, 2011

A very large marijuana joint.
by Wun Hung Low April 15, 2022

Cannon is a amazing person, and is always there for you when you need them! They also have the fattest ass. They are the best boyfriend to have they will make any other man that sees them jealous. They are caring and loving. And can keep secrets and will also make you laugh when you need it
Cannon is the best person alive!
by Chloebiggersc October 3, 2021

Kelton: Yoooo Kelly totally gave me a confetti cannon last night!
Karthik: No fuckin way bro, I love farts laced in cum!
Karthik: No fuckin way bro, I love farts laced in cum!
by Kelton Williams September 25, 2016

by NoRRJJ October 4, 2018

by Bobroz April 18, 2021
