You need "Incomplete Jokes, Volume 2: Punchlines"
Featuring classic punchlines suchs as: "Yes, but who's that next to Dave?", "Not if I have to explain it five times" & "Hah! It's me, the bus driver!"
Order the extended edition to get access to lesser known punchlines such as "It's so plain" and "We haven't heard that before"
You just gave me enough punchlines to last a lifetime! Why would I need to buy volume 2 at all now?