when you need to grab onto another mans penis before he cums
by Dr C Swagger February 20, 2014
Get a man the cannon mug for your cat James.
1.I have a huge man-cannon
2.she has a big man-cannon in her hand
3.OMG Look at his man-cannon
by urbanbastard June 10, 2009
Get the Man-Cannon neck gaiter and mug.
1. A device in Halo used to launch people over large distances, often used in Forge.

2. A penis
1. "Did you see that?! I just sniped that guy while he was being launched across the map by the man cannon!"

2. "Why don't you come over here and check out my man cannon?"
by Mistrissyuki August 14, 2008
Get a man cannon mug for your brother Paul.
slang for the word penis. about 6-12 inches long.
eh bro, did you smush that chick last night? yeah i used my man cannon to also blow my load all over her titties while she was getting ready to call it a night.
by da coolest guy ever August 18, 2010
Get a Man Cannon mug for your mom Beatrix.
A special phrase for when a girl(or guy)dumps their boyfriend in a brutal way.
Person 1:Hey what happened to Ben?
Person 2:His girl just man cannoned him this morning.
Person 1:.....ouch.
by Cellie October 25, 2007
Get a man cannoned mug for your Aunt Rihanna.
A Man Cannon is a hoodie made from thin material like a T shirt. The wearer (with hood on) resembles a man being shot out of a cannon.
Chris is wearing his man cannon again; it must be his favorite shirt.
by Crotchety ol Seasick January 22, 2017
Get a Man Cannon mug for your Facebook friend Nathalie.