They start with Byron and Shelley, then jump on your belly and bust your balloon.
10 seconds sound clip from the Blazing Saddles (1974) movie soundboard.
You can hear this line at 00:57:01 in the Blu-ray version of the movie.
Quote context
[...]
- Don't you know she's pooped?
- I've been with thousands of men again and again. They sing the same tune.
- They start with Byron and Shelley, then jump on your belly and bust your balloon.
- I'm... tired. Tired of playing the game. Ain't it a friggin' shame?
- I'm so... Let's face it. Everything below the waist is kaput!
- I must see you alone in my dwessing woom right after the show.
- Wilkommen, bienvenue, welcome, come on in.
[...]