Somebody's butthole that tends to be really dry and hairy. Possibly because of not being able to wipe good enough.
Hey Cruz have you went to the doctors to look at your sand cannon issue yet?
A woman who keeps popping out offspring like they are stuck in the 1940's.
Yo, is that the loose cannon's child over there?
That girl keeps dropping babies like a loose cannon drops ammo.
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!
Someone who has an unusually large number of children, referring to their exceptionally (re-)productive ladyparts
"So you're the youngest of *thirteen* kids? Wow, your mom must have had a uterus cannon!"
Cannon Gage has 1000 starts
Did you know Cannon Gage has 1000 starts
Cannon Gage is a 4 time champion
You're like Cannon Gage and Sebastian Vettel
Slang for pussy- especially one that ejaculates, queefs, or pops out shitty children excessively.
"Looking down the barrel of that chick's guava-cannon is like staring at the distended mouth of a palsy patient."
"Swear t'Jesus- I was lyin' on the bed after we fucked, and she climbed over me to use the bathroom. All'a sudden her guava-cannon fires off, and now I gots the chunkies in mah chest hair."