As a teenager she would 'sneak' out (of her house/apartment) at night to visit her boyfriend.
I'm going to 'sneak' a smoke. [=I'm going to smoke a cigarette while nobody is watching]
She took a 'sneak peek' [=a secret look] at the birthday presents hidden in the closet.
(..) Bats uses this security card supplied by an insider with a nasal problem to get in the staff entrance and cover the rear. You guys grab all the boxes and then sneak out the back to Baby and the waiting car. Did you get all that, Baby? Yeah. Okay, one more thing. We need some fresh hardware, (..)2017 Baby Driver