WTF.
Initialism of what the fuck.
Meaning & usage
Initialism of what the fuck.
Where the fuck, why the fuck, when the fuck, or who the fuck.
Where this word comes from
(programming slang): Originated on The Daily WTF, a humorous blog dealing with real-world examples of bad programming.
Initialism of White's tree frog.
A bafflingly bad or unwise design decision.
Where this word comes from
(programming slang): Originated on The Daily WTF, a humorous blog dealing with real-world examples of bad programming.
Initialism of World Taekwondo Federation.
Where this word comes from
(programming slang): Originated on The Daily WTF, a humorous blog dealing with real-world examples of bad programming.
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Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.
Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.