break one's arm patting oneself on the back

动词 v.
中文释义

英文释义

动词 v.
  1. To be very full of oneself. Often used as a sarcastic caution: "don't break your arm patting yourself on the back". derogatory,humorous
    — — We're the best football team in the state! — Careful, dude, don't break your arm patting yourself on the back.

词形变化

breaks one's arm patting oneself on the back present,singular,third-person breaking one's arm patting oneself on the back participle,present broke one's arm patting oneself on the back past broken one's arm patting oneself on the back participle,past dislocate one's shoulder patting oneself on the back alternative hurt one's arm patting oneself on the back alternative hurt one's shoulder patting oneself on the back alternative hurt one's hand patting oneself on the back alternative

词源

From pat on the back, and the uncomfortable position one would have to assume while patting their own back.
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