What does WTF mean?
WTF stands for what the fuck. You use it when you are shocked, confused or can't believe something.
"WTF, who put the couch in the garden?"
WTF is really common online, but it is rude. So you don't use it in formal emails or at work. A moment you really didn't see coming is a WTF moment. Also read about shook, wild and FML.
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