Sly Egg

Someone who exhibits shady, underhanded behaviour or acts in a deceptive manner

That Anne is a right sly egg

by ScouseRJ November 20, 2014

Sly puppy

A person who is just beggining to be sneaky,devious,lucky,slippery, etc. and will eventually be a "sly dog".

Gabe: That new kid is trying to steal Austin's wallet.
Channy: He is such a sly puppy.

by ▒☺♫ May 6, 2009

Sly Stone

The Best Funk Artist Ever! He also smoked week a lot. Amazingly he's still alive

He's so cool he's like Sly Stone

by Valhalla April 7, 2004

Sly Phil

A tactical snooze siesta in the afternoon.

It's gonna be a late one tonight, I'm off for a sly Phil!

by Pierre Van Hairgone August 23, 2012

sly peter

1) A wily Bulgarian folk hero, known for outsmarting his Ottoman rival Nasreddin Hoca, and the corrupt Bulgarian upper class. First appeared in 16th-17th century sources

2) A sex act illegal in many countries, which, when done successfully, is performed without any knowledge of the other person involved. Popularized in Bulgaria

1) Sly Peter is like the Robin Hood of Bulgaria

2) I'm totally going to sly peter that chick tonight. She's not even gonna know.

by spanky1279 April 23, 2011

Sly Guy

A guy that is very very sly. So sly to the point where your jaw drops when he does his cunning actions.

Freddy: "Cory, I can't believe you just benched 365; That's so incredible!"

Cory: "Yeah, I'm what you call a Sly Guy."

by Backflip Guy August 2, 2009

Sly Sign

When you put your middle finger up to somebody behind an opaque object (predominantly a door), releasing anger but not getting into trouble. Usually used by young teens, aimed at parents.

"My mom was being so annoying... so i sly signed her through the door when i left the room."

"No way dude!"

by Landoddage May 27, 2009