One Time Joke
A joke that is never funny the second time you hear it, but was extreme funny the first time you heard it. It maybe really annoying if you heard it all the time!
Person 1: Where do one legged ladies work? IHop!
Person 2: Yeah, I have heard that before. It's a one time joke!
Person 2: Yeah, I have heard that before. It's a one time joke!