What does (:)-) stand for?

(:)-) stands for "scuba diver"

How to abbreviate "scuba diver"?

"scuba diver" can be abbreviated as (:)-)

What is the meaning of (:)-) abbreviation?

The meaning of (:)-) abbreviation is "scuba diver"

What does (:)-) mean?

(:)-) as abbreviation means "scuba diver"