- 1(North American English) (especially of somebody’s eyes) to be wide open and stick out Their eyes were bugging out of their heads when they saw it. I think it made his eyes bug out more than usual.
- 2(North American English, Australian English) to leave a place or situation, especially because it is becoming dangerous We should bug out now before it's too late. They decided it was time to bug out.
- 3(North American English) to become too frightened to do something Susan started to bug out when she heard a noise in the bushes.