To get high in secret. Not to be confused with "sneak peek", a common expression used to describe a preview of a product.
by NotStealthMountain September 05, 2012
While on the escalator, Fundo used his camera phone to get a photographic sneak peak under the skirt of the female standing 3 steps ahead of him. Fortunately for him, she wasn't wearing panties.
by authOOr July 05, 2006
When a guy tucks his dick into his waist band and is wearing a shirt that is too short. To the effect where you see the tip, or peak, of his dick between the shirt and his pants.
by BakaDaragon March 11, 2015