Top Definition
Slang for a vagina, often used in a derogatory manner. Can fire at up to 2000 FPS, and is often used to hide a womans knife, as her last line of defense against rape.
Dude, that bitch just fired her fetal cannon right at me!
by Han and Luke January 21, 2008
5 Words related to Fetal Cannon

Free Daily Email

Type your email address below to get our free Urban Word of the Day every morning!

Emails are sent from daily@urbandictionary.com. We'll never spam you.

×