b)dine out on somethingTELLBritish EnglishBrE informal to keep using a story about something that has happened to you, in order to entertain people at meals 总是把〔自己的〕某件事作为饭桌上的笑谈
Examples from the Corpus
dine out on something• You can spend it, you can dine out on it.• For years I dined out on these stories.