Yodaism

Yodaism is a speech impediment whereby the afflicted speaks like Yoda.

I've recently found out that some people actually want to speak like this!
http://www.yodaspeak.co.uk/index.php

...and it seems to be called Yodish.

Keyboard

If you press all the keys down on your PC keyboard at the same time you get a special character that no one has ever seen.

Baileys

It's impossible to drink more than a pint of Baileys.

Tea

Tea made with urine is colourless.