tread on someone's corns

tread on someone's corns (third-person singular simple present treads on someone's corns, present participle treading on someone's corns, simple past trod on someone's corns or tread on someone's corns or treaded on someone's corns, past participle trod on someone's corns or tread on someone's corns or trodden on someone's corns or treaded on someone's corns)

1. (UK, informal) To hurt someone's feelings.

• tread on someone's toes

• “tread on someones corns”, in Collins English Dictionary.