買い言葉 (かいことば) Japanese meaning | KotomoraFreq.FrequencyTop 100,000 Meanings
1
noun
retort; comeback; sharp reply
Almost always used in the set phrase 売り言葉に買い言葉 (an insult provokes a retort; tit for tat). Rarely used alone.
See also: 売り言葉に買い言葉
That was just a retort to an insult. Please don't take it to heart.