An abbreviation that is widely used in texting and chat, and on Instagram, Facebook and elsewhere on the internet, but what does STFU mean in slang?
Most Common STFU Meaning
STFU stands for Shut The F**k Up.
Using STFU
STFU is used to either insist that someone should stop talking or to express stunned disbelief.
Example
My boyfriend is really annoying me, he won’t stop talking and I just want him to stfu!
Alternative STFU Meanings
None found.
What Does STFU Mean?
Shut The F**k Up.
Related Slang Terms
KYS – Kill Yourself.