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
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