From Longman Dictionary of Contemporary Englishstanding jokestanding jokeJOKEsomething that happens often and that people make jokes about The whole incident became a standing joke between us. → standing
Examples from the Corpus
standing joke• He'd been so much taller than her for such a long time that it had become a standing joke.• It had been a standing joke.• It is a standing joke between them, he hopes, how sophisticated their boy is.• A bad mistake, as this became a standing joke for the rest of the week.• It was something of a standing joke that she lived up to her Libran indecisiveness.• It became a standing joke that we would eventually work together, and then one day it became serious. 