WTAF

Is an abbreviation for the phrase 'What The Actual Fuck!'. Often used to express surprise or frustration or other feelings, depending on the situation. Also a very new word.

Example 1 -->
Guy 1: "Hey, wanna go on a threesome with Jack tonight?"
Guy 2: "WTAF dude, dat's HELLA GAY!!!!"

Example 2 -->
Teacher: "Students, the test is really easy right?"
Popular girl: "Bruh WTAF, you give us university-level stuff and ask if its EASY???!!!"