HTFU
In real, traceable use. Part of the curated seed collection; community review is coming.
Meaning · English
Initialism of harden the fuck up.
Register: slang
Where it’s used:
Used
American English
Examples
HTFU means you pull yourself out of a warm bed, suit up and jump on your bike even if the weather is awful.
Usage example from English Wiktionary (CC BY-SA 4.0, retrieved 2026-07-30)
Sources & notes
Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-07-30 via kaikki.org).
Common questions
What does “HTFU” mean?
Initialism of harden the fuck up.
Is “HTFU” formal or informal?
HTFU is generally slang.