WTFU
In real, traceable use. Part of the curated seed collection; community review is coming.
Meaning · English
Initialism of wake the fuck up.
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.