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.
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.
to creep up behind someone and watch them in silence without them knowing. A common practice in the cubicle work environment, and easily acheived when someone is working too hard.
"Dave was so engrossed in his work that Craig and I easily sneaky peaked him. We were there for like 10 minutes."
"The last time Dave sneaky peaked me, i started to smell a fould odor. I knew it was him!"
Holy shit, did i just get the feeling of a sneaky peaky poo?!?!?!?!?!?!?!!?!
LOL, did you see the look on that guys face? I know he's thinking SNEAKY PEAKY POO!