Here's one my mum told me.
So there's this penguin, out for a drive, and he thinks "hmm there's something wrong with my car".
He sees a mechanic so he pulls in and says "hey look mate, there's something wrong with my car"
Mechanic says "oh yeh, I'm a bit busy atm but I'll have a look in a sec"
So the penguin leaves the car there, goes for a walk, he gets himself an ice-cream, and heads back.
Mechanic says "you've blown a seal"
"nah, i just had an ice-cream"