I would've been a professional boxer, but I was in Special Education.
5 seconds sound clip from the Friday After Next (2002) movie soundboard.
You can hear this line at 00:08:20 in the DVD version of the movie.
Quote context
[...]
- Damn. We just got robbed, Cheeco.
- Unit 415. man in the middle of the street.
- Then I caught him. I hit him, like, four times.
- I would've been a professional boxer, but I was in Special Education.
- And I'm telling you, I was whooping his ass!
- Craig got to fightin' with him, he beat his ass.
[...]