He was too damn scrawny.
4 seconds sound clip from the The Nutty Professor (1996) movie soundboard.
You can hear this line at 01:28:37 in the Blu-ray version of the movie.
Quote context
[...]
- I don't have a date tonight. Would you like to dance with me?
- Professor, I thought you might need this.
- Yeah, I guess I tore this one up, huh?
- You know one thing I couldn't stand about that Buddy?
- Okay, professor! Looking good!
- Have I mentioned we also have a terrific English department?
- What?
- I hate to admit it, but you're absolutely right. He's a brilliant scientist and a gentleman as well.
[...]