to catch somebody napping
01
to surprise or outsmart someone who is not paying attention or is unprepared
![to [catch] {sb} napping definition and meaning](https://cdn.langeek.co/photo/44684/original/?type=jpeg "to [catch] {sb} napping definition and meaning")
Idiom
Informal
例子
The clever student caught the teacher napping and managed to sneak out of class unnoticed.
I caught my brother napping and managed to win the game.
