Meaning of break one's arm patting oneself on the back | Babel Free
Definitions
To be very full of oneself. Often used as a sarcastic caution: "don't break your arm patting yourself on the back".
derogatory, humorous
Examples
“— We're the best football team in the state! — Careful, dude, don't break your arm patting yourself on the back.”
CEFR level
C2
Mastery
This word is part of the CEFR C2 vocabulary — mastery level.
This word is part of the CEFR C2 vocabulary — mastery level.