What does :@ mean in Internet Slang, SMS, Texting & Chat

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All :@ meanings

What does :@ stand for?

:@ stands for "What?"

How to abbreviate "What?"?

"What?" can be abbreviated as :@

What is the meaning of :@ abbreviation?

The meaning of :@ abbreviation is "What?"

What does :@ mean?

:@ as abbreviation means "What?"