shorthand for term "and/or".

Oral and anal sex. Euphemism used by prostitutes and their clients.

In UK, sometimes called O-levels and A-levels, referring to the (now sadly debased) examination system (Ordinary Level and Advanced Level).

The text symbol for awkward turtle.

An annoying face used on msn. It is supposed to show a sick person - with the "+" being crossed out eyes and the "O" being a swollen nose. The "(" is obviously the mouth.

It actually looks more like a one-eyed freak.

Plus if you tilt your head to the right it looks a little like the symbol for a female.

A crying face. Better than :(
The ' ; ' acts as the eye and a tear, and the ' o ' is the mouth

Short for "of".

to make words sound spanish