In everquest (and other games) it means out of mana.

A term used to reference cannabis/marijuana/weed.

Out of Mana (while playing World of Warcraft)

what a dsylexic cow says

A word/sound made to express feelings in response to a remark or photo that is possibly 'sexy' or purposefully unsexy (and therefore funny).
Most popular on the Internet.
Derives from the word 'ooh' and sounds like 'boom'. What more could you want?

dyslexic cows go 'oom'.

To have finished your drink, but still require more. Most often used in the bar scene.