Someone who has an unusually large number of children, referring to their exceptionally (re-)productive ladyparts
by Peter the Quite Good May 26, 2016

(pronounced like the first syllable in 'open') A massive joint, spliff, doobie, blunt, or other, preferably rolled as cone, containing some combination of weed/hash and opium.
"Yo dog, roll up a fat op cannon"
A: "Damn yo, I'm fuckin faded, whats in this?"
B: "Damn straight yo, you're puffin on an op cannon"
A: "wooorrrddd..."
A: "Damn yo, I'm fuckin faded, whats in this?"
B: "Damn straight yo, you're puffin on an op cannon"
A: "wooorrrddd..."
by pumpkineater February 24, 2014

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

Karen: "Bob why is there a Circus Cannon in the room!?"
Bob: "Honey, have you ever tried the Pussy Cannon?"
Bob: *Does the Pussy Cannon*
Karen :
Bob: "Honey, have you ever tried the Pussy Cannon?"
Bob: *Does the Pussy Cannon*
Karen :
by Osama_binBallin September 16, 2019

Wow Torin, look at the horchata cannons on that chick. Forget about opening the border, let open up that shirt!
by JackDaddy6294 September 11, 2023

by shifty hobo November 30, 2017
