Rape Trap

A situation where a person/persons will invite another person to 'hang out', when the real motive for the invitation is for eventual sexual intercourse. This is usually obvious to all outside observers, but the victim will be completely and utterly oblivious to it.

Darlene: I'm going over to watch movies with Rob and Bob.
Ezekiel: Alone?
Darlene: Yeah... why?
Ezekiel: Not sure... sounds like a rape trap to me.