A running joke.
A pun is a play on words, while Cliff's notes are a word on plays
On a pun.
Thought of this one on my own while playing WoW a couple days ago and I'm pretty sure it hasn't been told before. I like corny jokes. I Googled it and didn't find anything (:
I haven't seen you for a year!
He was running lait
Because their Zoos ran out of room.
He jogs home after his vasectomy. . Fairly old, vasectomies may not be so bad any longer.
A running joke