WTF
interj.interj. Stands for what the fuck. An expression of total surprise, confusion, or anger. You use it when something happens that makes no sense to you.
interj. Abbreviation for what the fuck. An initialism expressing extreme surprise, disbelief, or frustration. Highly informal and vulgar in register; typically used as a standalone exclamation or to introduce a question.
WTF is going on with the internet?
I just saw the final score of the game and honestly, WTF happened in the last five minutes?
The developer stared at the screen in disbelief, muttering 'WTF' as the code that had worked perfectly yesterday now failed to compile for no apparent reason.
(programming slang): Originated on The Daily WTF, a humorous blog dealing with real-world examples of bad programming.
Etymology adapted from Wiktionary, available under CC BY-SA 4.0.
Used primarily in digital communication or casual speech; often functions as a more forceful version of 'what'.
What the fuck of that?What the fuck is that?When used as a question starter, it must be followed by a verb or a noun phrase, not a prepositional phrase starting with 'of'.
Last updated May 10, 2026