booby trap
noun /ˈbuːbi træp/
/ˈbuːbi træp/
- a hidden bomb that explodes when the object that it is connected to is touched
- Nobody went near the abandoned car in case it was a booby trap.
- a booby-trap device containing two kilos of explosives
- a hidden device that is meant as a joke to surprise somebody, for example an object placed above a door so that it will fall on the first person who opens the door