Mom, you and I both know that it's impossible for him to have grown in the last five minutes. Isn't it?
9 seconds sound clip from the The Emperor's New Groove movie soundboard.
You can hear this line at 00:21:05 in the Blu-ray version of the movie.
Quote context
[...]
- Uhh. Hope that doesn't come back to haunt me.
- Mom, Mom! I think I'm still growing! Measure me again!
- All right, Tipo. Stand still and let's see.
- Tipo, get out of the way. It's my turn again. Measure me.
[...]