\o/
'A smiley of a cheering guy throwing his hands in the air, expressing great happiness. In a rare case, it can portray someone throwing his hands in the air in exasperation or panic.'
(
Alexander The Great,
Mon 12 Nov 2007, 18:11,
archived)
In other words
it means YAY
(
Mrs.Sp@m,
Mon 12 Nov 2007, 19:03,
archived)