[hang up] vt (12c) 1 a: to place on a hook or hanger designed for the purpose "hang up your coat" b: to replace (a telephone receiver) on the cradle so that the connection is broken
2: to keep delayed, suspended, or held up
3: to cause to stick or snag immovably "the ship was hung up on a sandbar" ~ vi 1: to break a telephone connection
2: to become stuck or snagged so as to be immovable