The only thing about to break through is your ass about to break through the seat of your pants.
6 seconds sound clip from the The Nutty Professor (1996) movie soundboard.
You can hear this line at 00:15:00 in the Blu-ray version of the movie.
Quote context
[...]
- Daddy, all I'm trying to say is that scientific breakthroughs are occurring all the time...
- The only thing about to break through is your ass about to break through the seat of your pants.
- Every time we have a meal, you break gas. Don't break gas and destroy our meal.
- Don't tell me to stop. You the one that brought up colon cleansing and all that mess.
[...]