When I was a kid I recall the song "It's a Gas" by Alfred E. Newman in Mad Magazine. It came inside the magazine on a tearoff page. Didn't last that long because...well let's say at that age I never knew it would be so valuable.
These vids take it to new heights or lows depending on how you view the topic.
A word of warning is that I refuse to totally grow up...Watch out when I've been eating garlic because either end it decides to go is trecherous.