English · Slang Attested 18+

WTFU

In real, traceable use. Part of the curated seed collection; community review is coming.

Both English Tiếng Việt

Meaning · English

Initialism of wake the fuck up.

Nghĩa · Tiếng Việt

Tỉnh dậy

Machine-translated — suggest a fix

⚠ Register: Internet, slang, vulgar

Where it’s used: Used American English

Sources & notes

Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-07-30 via kaikki.org).

Common questions

What does “WTFU” mean?

Initialism of wake the fuck up.

Is “WTFU” formal or informal?

WTFU is generally Internet, slang, vulgar.

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