sly dog

a shifty-eyed individual would be best described as a "sly dog"

omfg George is such a fucking sly dog

by MoFo April 8, 2005

sly dog

Someone who goes out of their way to screw you over, often doing so in a generally gay/homosexual manner which induces anger.

-Defined elitely by DarkGrieverX

"Man what the FUCK? Peter the fag and the Sly One are so fucking gay, they slept together in the same bed and still don't admit they are homosexual, those SLY DOGS."

by Leo The ELITE April 7, 2005

Sly Dog Ninja

when someone runs off to commit perverted acts in secret....

I'll do a Sly Dog ninja and take picture of her nipple while shes asleep

by Han Hogan June 6, 2011

you sly dog you

A completely ironic phrase commonly used to define someone who does something mildly cool or impressive. This phrase should never be used seriously, as it ruins the joke, and makes you look retarded.

Lil cheggos, you sly dog you!

by DudeishBroski November 14, 2018

Sly dogs

A really cool person

Sarah and Chloe are generally cool so they are sly dogs.

by Sistersimon February 4, 2019