STHU
In real, traceable use. Part of the curated seed collection; community review is coming.
Meaning · English
Initialism of shut the hell up.
Register: Internet, slang
Where it’s used:
Used
American English
Examples
I never cease to be amazed at what you feel qualified to give advice! WTF do you know about separations or divorces? ¶ Good grief! If you have no experience in the matter, STHU, please.
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 “STHU” mean?
Initialism of shut the hell up.
Is “STHU” formal or informal?
STHU is generally Internet, slang.