To honor a deceased individual by wrapping him in mummy-wadding and shooting him out da barrel of a heavy-artillery weapon.
In da famous early-1940's animated short, "Daffy the Commando", Von Vulture felt sure dat he'd most definitely done away with da perpetually-infuriating Daffy Duck (finally!) after loading him into da huge Howitzer ("Ah, now t'dry and duck ZIS one, you DUCK! Heil HITluh!") and detonating da powder-charge, but all dat actually happened was dat Daffy merely got "cannonized" --- i.e., shot out over Berlin as a "human cannonball"; he eventually landed near a crowd of citizens who were listening to one of Da Führer's infamous "screaming rant" speeches, and clobbers said loudly-verbose dictator over da head with a huge mallet.
To make something cannonic in real life, Luke something would be cannon in a work of fiction
That inside joke has been cannonized now!
To insert your fist into someone's anus
My girlfriend was so nasty last night she said fist my shit cannon
A sexual act involving two participants wherein participant A lays down on their back with their legs over their head. Participant B places a mound of cocaine on the anus of participant A and positions their nose over it. Participant A then proceeds to blast a powerful shart out of their anus as participant B inhales through their nose, propelling a shit-laced cloud of cocaine into the nose of participant B.
Larry, being an enthusiastic enjoyer of sniffing farts and doing cocaine, deciced to combine the two and try a muddy snow cannon with a local prostitute.
When a dog's vaginas is thrown at your face like a cannon
When your asleep I'm gonna throw a muff cannon at ya
When you cum in a girl's ass and she farts it back onto you face.
Kelton: Yoooo Kelly totally gave me a confetti cannon last night!
Karthik: No fuckin way bro, I love farts laced in cum!
A day (usually) celebrated on March 1st. A day to celebrate.
1: "It's International Cannon Day!"
2: "Oh, yeah! Let's celebrate cannons!"