Hole up and Hang out

Hole up verb - To remain out of sight.

Hang out and hole up are semantically related In some cases you can use "Hang out" instead a verb "Hole up".

Hang out verb - Spend time in a certain location or with certain people.

Hole up and hang out are semantically related in pause topic. Sometimes you can use "Hole up" instead a verb "Hang out", if it concerns topics such as live in.