"Mud": Dad! Just because I'm smart doesn't mean I can't act stupid.
Zach: If Mud's guilty I am too.
Gaby: Me too! I'm smart enough to act stupid.
Trish: Yeah and I'm stupid too! Well... you know what I mean.
My joke: I may be dumb but I'm smart enough to know I'm not stupid!
Here's a couple of my other jokes:
I'm not with stupid anymore, stupid's with me. Wait that sounds stupid.
I suffer from "chocophobia"... a completely logical fear that someday the world will run out of chocolate completely.