A running joke.
a pun
He couldn't take a joke.
Ask them to say the word, "unionized".
Her teacher told her to do an essay. (ese)
Because he can't run home
RUN! She's got a grenade in her mouth!
He jogs home after his vasectomy. . Fairly old, vasectomies may not be so bad any longer.
The former is a band of cunning runts...
A running joke