sneakily 

It's just the adverbial form of sneak or sneaky. It's not a real word and it damned well should be!

I went into Dr. Aweful's mountain lab sneakily, and stole his blueprints for a flying monkey machine!

sneakily by Felix January 9, 2005

Sneaky nut 

A game that only guys can play in work/public place.

To play is to expose a testicle to a female.
To win you must do it without her noticing.

Wanna play sneaky nut?

Sneaky nut by Generic_Essex_Guy_1985 August 3, 2011

sneakotine

one who sneaks their nicotine

i told my wife not to smoke but i caught that bitch being a sneakotine

sneakotine by kevreb October 10, 2006

sneakrative 

The act of being sneaky.

James Bond was being sneakrative.

sneakrative by The Original Pip December 31, 2006

Sneaky Fat 

When an over weight person wears clothes that hide their true size.

I had no idea she was so heavy when I tried to pick her up, her dress was sneaky fat.

Sneaky Fat by Margaret J. December 11, 2007

Sneakum

An item or achievement earned by an individual for using an alternative, or creative, way to get to a place or to obtain an object.

"I'm about to get some good sneakums from my dude."

"Take the sneakum route. We need to avoid cops at all costs while ridin' dirtay."

"Fuckin' sneakum took my lighter!"

Sneakum by Clinton Schultz January 30, 2008

sneaky bitchery 

The performance of some devious or underhanded act(s), typically in a covert fassion. Particularly used to refer to such acts committed by a female.

Also, the tendency to perform devious or underhanded acts.

A compound of sneaky and bitchery.

You have to keep your eye on that girl, she has been known to pull some sneaky bitchery to get her way.

sneaky bitchery by Baylor Law March 28, 2008