The Box (torture), also called a sweatbox; a form of torture and penal punishment by imprisoning a person in an overheated room, cell or cage
Hot Box (Music), A dj's record box/collection which contains only a small amount of "hot" rare and expensive items for maximum impact. The Term Originates from the UK Deepfunk scene but has also been adopted on the Northern Soul Scene.
Hot box (game), a half-court flying disc sport with a very small box-shaped scoring area.
Hotbox (baseball), also known as the rundown, is a running/fielding/throwing drill in baseball training