I'm sorry, man. It's just that you're so funny.
4 seconds sound clip from the The Nutty Professor (1996) movie soundboard.
You can hear this line at 00:45:49 in the Blu-ray version of the movie.
Quote context
[...]
(Buddy Love imitating Heimlich maneuver)
- You almost killed me, man! I had to give myself the Heimlich.
- You mind waiting for the punch line first, brother?
- I'm sorry, man. It's just that you're so funny.
- Why, thank you. Thank you very much. I'm glad you appreciate Reggie's show.
- That'd even work with me doing it to you, Reggie. Yes, it would.
- If I would say, look at Reggie's gums and teeth. Looks like his mother had an affair with Mister Ed.
[...]