K9

The police unit that uses dogs to sniff for drugs or other things

Man, i'm lucky i wasn't pulled over by the k9 unit while smuggling this crack

by Giant-rat June 30, 2005

K9

Rear-entry sexual intercourse; e.g. "doggie-style"

by Anonymous October 15, 2003

K9

Robotic dog from Doctor Who.

I wish I had a nose laser like K9.

by neitherday November 1, 2006

K9

sex between humans and dogs.

'she is into k9'
~how much do you love your k9~

by wolfgirl November 5, 2003

K9

An amazing person that every girl likes, adores, and dreams of. He is sexy, handsome, and hot. They are super popular and can get any girl they want to come home with him.

Wow look at him with all those girls, hes probably K9

by Kniyn August 30, 2017

K9

Synonyme for Dog.
But also used to look up Animal pr0n.

Side note: "K3" Annoying Girlband from Belgium.

"Did you see that movie k9?"
"Yeah with that dog, it sucked and blowed at the same time."

by Johni February 22, 2005

k9

A shortened form of the word "Canine."
The sound of the word results in "K-9."

"That dog is a cute K9!"

by Dalhusky July 23, 2006