We set a 'booby trap' by balancing a bucket of water on top of the door so that it would fall on him when he came in.
Someone had rigged a 'booby trap' that blew up the car when the engine was started.
You came in last—you win/get the 'booby prize'.
(..) Guys, guys look! Come here. Come on, come on look! Let's go. You stay guard over till we get back. I wanna see if she's gonna figure out this booby trap. Yes. It seems they reburied their mines around that big pile of goodies. She certainly figure it out, haven't she? (..)2012 The Hunger Games