sneak out
Beginner (A2)informal
To leave somewhere without letting anyone see you go, usually because you're not supposed to leave.
"He used to sneak out of his bedroom window at midnight to meet his friends."
Hear it in context

Venomous Caterpillar, Toxic Worms & Blue Tarantula - Full 90 Minute Compilation
Brave Wilderness Top Videos · 90:17
Sneak out of here.

Che Durena: How To Make Your Balls Bigger | Full Comedy Special | LOL! Stand-Up
LOL Network Stand-Up! · 52:11
I sneak out of bed.

Jean-Ralphio Has Never Had A Normal Conversation | Parks and Recreation
Parks and Recreation · 4:26
We need to sneak out of here.

Spring Doubles Championship Europe & South America
Brawlhalla · 484:28
Ty manages to sneak out that spear.

Harry Potter and the Philosopher's Stone | Full Movie Recap (Explained In English)
CINE1408 (Movie Recaps) · 24:56
about to sneak out of the Gryffindor