Oh brother!

Meaning

A classic expression of exasperation or annoyance at someone else's silliness. It is a mild way to roll your eyes without actually saying anything mean.

Exasperated, eye-rolling

Used in a sentence

• Oh brother, do not tell me you forgot the keys in the car again.
• He is starting his long story about the fish he caught. Oh brother.
• If he complains about the heat one more time, I might scream. Oh brother.