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1.
Short for 'what the fuck' when one is found to be around adults/children or people who are bound to be offended by the usage of the word 'fuck'.

(but not necessarily saying the letter f, but the pronounciation of it; like when you hit the breaks before you hit the tree. and in this case, you pause before you extend your cursings.)
what the f, where'd my book go?
by buckless May 18, 2006
30 12
 
2.
Partially extended version of wtf. Carries same meaning and was created for use in the presence of those unfamiliar with wtf.
Person 1: Hey, Adam said he needs to borrow your TV again.
Person 2: What the F!? That's the the third time this month!
by K Wheezle May 25, 2004
11 8