Don't know?? Use DINO-MITE
Disclaimer: I don't know how well this joke will work in english. What's yellow and lies in a pond? An excevator. You don't think this is funny? Neither does the operator.
She starts her sentance with "A man once told me"
They use Bootox.
Because black boards matter.
A thousand dogs.
A: Dino-mite.