Accidental and often grossly inappropriate mistyping of a left bracket instead of a right bracket when expressing a feeling of sadness and instead displaying joy.

The opposite can also apply, where instead of the intended joy, you express despair, sadness and woe!
Emotypo #1

Jane : I'm so upset, first my boyfriend left me, then my house got repossessed, and today my cat got run over by a lawnmower!

John : :)

Emotypo #2

Alvin : Hey Julie, I just got tickets for a weekend in Venice!

Julie : Really? :(
by LostJimmy May 22, 2009
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