I know the answer to this question.
4 seconds sound clip from the The Waterboy (1998) movie soundboard.
You can hear this line at 00:24:35 in the Blu-ray version of the movie.
Quote context
[...]
- Correct.
- All right, all right! Y'all shut up now!
- Now, last week, we talked about the physiology of the animal brain as it pertains to aggression.
- Now is there anyone here that can tell me why most alligators are abnormally aggressive?
- I know the answer to this question.
- Mama says that alligators are ornery 'cause they got all them teeth but no toothbrush.
(ALL LAUGHING IN THE CLASSROOM)
[...]