What does :-()=0 stand for?

:-()=0 stands for "Fat smiley"

How to abbreviate "Fat smiley"?

"Fat smiley" can be abbreviated as :-()=0

What is the meaning of :-()=0 abbreviation?

The meaning of :-()=0 abbreviation is "Fat smiley"

What does :-()=0 mean?

:-()=0 as abbreviation means "Fat smiley"