Checking out a girl behind her back.
Guy 1: Did you see that hottie walk by?
Guy 2: Yea man, I was sneak peeking that ass.
The act of checking out a girl without her noticing.
Bro there was this super hot chick I saw earlier, I was sneak peeking her.
A phrase describing a male, cunning person who will do anything to project himself as a fantastic guy towards women, just to get laid. A pussy sneak might also try to steal your woman. Translated from the norwegian word "fittesnik". Made famous by Thomas Giertsen in a norwegian comedy show called "Helt Perfekt" (Just Perfect).
Everybody knows Trond Giske is a pussy sneak!
When your chic thinks you ain’t looking, and twists her ass or shoots a wink...or even bats an eye to the next one
Wow, she thought I didn’t peep her sneak flirting
For the people that are too good for snuck
I sneaked out of the house to get the mail.
When waiting to turn left at a red light, once the light turns green but without an arrow, slam the accelerator down, make your turn and beat the car who should have proceeded straight. Effectively ignoring the right of way.