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
by me or em August 19, 2009
A bunch of useless cock juggling thunder cunts... that will fuck up your order (or even stop your order)... after wasting your time for up to 2 weeks... with no communication skills what so ever O2 will ruin your day just for the amusement of their staff.
by The Shop Front Boys July 31, 2009
A kind of PDA mobile phone based on Windows Mobile that often hangs, freezes, or crashes for no reason.
by Chak February 17, 2008
by C Block Mafia September 26, 2005
When you can't live without someone, you call them O2 because you can't live without them (like you can't live without oxygen).
by chemistrygirl321 March 10, 2018
by All his November 12, 2017