2 definitions by Kodiak101

1
A combination of orange juice and orange soda, when, used together create a unique flavor and an energizing drink. Also very nutritious.
I was up late at a sleepover the other night, so we made some O2, drank it all up, and good times were had by all
by Kodiak101 May 12, 2008
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2
A person who is particularly annoying, someone you only talke to because there's nobody else around, and/or someone you only talk to so they don't feel bad.
None of my friends are in my art class, so I talk to Sarah. She's so boring, and such a default friend! I wish you were in that class, insert name of prefered friend
by Kodiak101 May 12, 2008
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