What does (:-) stand for?

(:-) stands for "Smiley variation"

How to abbreviate "Smiley variation"?

"Smiley variation" can be abbreviated as (:-)

What is the meaning of (:-) abbreviation?

The meaning of (:-) abbreviation is "Smiley variation"

What does (:-) mean?

(:-) as abbreviation means "Smiley variation"