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

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?

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

dyslexic cows go 'oom'.

A Kid who will rage out if you say certian things to him, Such has "Your Gay" or "I like cheese".