running gag
Noun
Meaning
running gag (plural running gags)
An ongoing joke, one that is regularly repeated or continued.
Synonym: running joke
Synonyms
Examples
The running gag of the Grand Prix series is that whereas Murray [Walker], safe in the commentary box, sounds like a blindfolded man riding a unicycle on the rim of the pit of doom, the men actually facing the danger are all so taciturn that you might as well try interviewing the cars themselves.