a thing that you cant quite remember the name of. wait, its on the tip of your tounge!!!! o, well. lol. also means anything whatsoever
person 1: What are you doing on saturday night?
Person 2: something or other.
Person 1: o cool!
by Cayce April 11, 2003
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Doing anything but posting bulletins on myspace or playing x-box live while texting and listening to music.
"Wow. I should really be doing something other than this."
by katayran July 16, 2008
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