Answer:
What becomes white when it is dirty?
A DJ does this to records. I do it to mosquito bites.
I saw a strange creature, Long, hard, and straight, Thrusting in a round, dark, opening, Preparing to discharge its load of lives, Puffing and squealing noises accompanied it, Then a final screech as it slowed and stopped.
What do you call it when a dinosaur farts?
What do you call a snake that's exactly 3.14 feet long?
People take me on walks and I run and have fun. What am I?