booby trap
Theme: TRAP
1.
n. a concealed trap. (Both literal and figurative.)
This clause in the contract is a real booby trap. Let's rewrite it.Some kind of booby trap in the warehouse kept the robber from getting away.
2.
tr. to install a concealed trap in a place. (Usually booby-trap.)
The agents booby-trapped the cellar.They booby-trapped the elevator so it turned into a cell if you didn't know the code to open the door.