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o .
o . by o . man September 15, 2010
Related Words
o.g. o O.D o.O O rly O-Town o.u.t.l.a.w. o_O O.V O-ring
Smillie for joking or messing around
- ure mums teh hawt
- i know ;o
;o by hvg666666gh March 30, 2005
Another way of using the :o emoticon, meaning shocked.
Guy 1: LOL I actually did it.
Guy 2: 'o'!
'o' by Eric DeRienzo July 4, 2008
One of the rarest forms of blood type among humans. A Universal donor.

O Negative
Blood type is very important because it can potentially be transfused to any patient regardless of their blood type. In emergency situations, when there isn’t enough time to determine a patient’s blood type, O negative blood is often used.

Best blood type to donate:
O +, O - (i.e. Son), B-, A- (i.e. ME) RH-
Only about 7% of all people have Type O negative blood
Type O negative blood is the preferred type for accident victims and babies needing exchange transfusions
There is always a need for Type O donors because their blood may be transfused to a person of any blood type in an emergency
O- is Universal donation for the masses. What is yours?
O- by KWatlonTyUniverseal April 18, 2010