A running joke.
It taint yours and it taint mine :D (Puns for the win :D)
Because they are never well done.
By telling them knock knock jokes!
Tell them a secret
14, maybe 15, but only if the plates ... 'run around a lot!'
Run. He still has the grenade in his teeth.
Jogging home from your vasectomy.
They don't like to get that far from the table.
A running joke