Because it's as hard to get off as Alcatraz.
It got stuck in a crack.
Nutty Marietta!
Nothing. (this joke was made by daughter when she was 5)
What does a walrus and Tupperware have in common? .. They both like a tight seal *What looks like a lemon and shaped like a rock? .. A lemon shaped rock *What is brown and sticky? ..A brown stick
Alkaline