English Dictionary

break one's arm patting oneself on the back

verb

(humorous, derogatory) To be very full of oneself. Often used as a sarcastic caution: "don't break your arm patting yourself on the back".

He broke his arm patting himself on the back.

意味（1）

(humorous, derogatory) To be very full of oneself. Often used as a sarcastic caution: "don't break your arm patting yourself on the back".

— We're the best football team in the state!

— We're the best football team in the state! — Careful, dude, don't break your arm patting yourself on the back.