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1. (N.) The post of a a written expression of "happy birthday" through digital means.
2. (V.) To wish another a "happy birthday" on any networking site (i.e. MySpace or Facebook wall).
E.g. 1:
Mo: "Its gonna be Patti's b-day in 20 minutes. I already webbday'ed her"
Sarah: "Nice".

E.g. 2:
"Sweet webbday you posted on my facebook wall! Thanks mang!
by Morris Levy July 29, 2006
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