What did the bird do when he ate the expired worm?
He flew up!
Expired Worm
Explanation
Explain Bear
Hey, dummy! Expired worms are bad news! This bird ate one, and it made him fly... get it? Cause he "flew up?" Maybe you'd get it if you weren't so busy eating paste. I heard you're failing science too, ya dingus.
Ello
My friend actually made this joke guys, so I am not going to take any credit at all.