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1.
A tooth, your fang, bet you didnt know that....
Oh no i just broke my canine tooth...
by S Blackburn December 11, 2006
 
2.
In S&M it's a practice in which the slave behaves as a dog: i.e. wears a collar and leash, eats and drinks from a bowl, crawls around on all fours, spends time in a kennel, etc. Woof!
Master Bruno and and his boy, Henry, were into K9.
by Henry March 10, 2005
 
3.
In Texas hold 'em, when the hole cards are any king and any 9 (K-9)
I went all-in with canine.
by cerealkiller182 October 31, 2005