SCSTFU

She Can’t Shut The Fuck Up. HCSTFU He Can’t Shut The Fuck Up ICSTFU I Can’t Shut The Fuck Up

It seemed like she was the only one talking, because she has SCSTFU.

by Sa’Fire April 16, 2020

SSTFU

Abreviation for, "Seriously, shut the fuck up."

"...And he said that she said I was a slut!"
"SSTFU."

by MeowWoman March 22, 2009

ststfu

When u need to shut that sh**the f*** up like bro u talk all day , and NOBODY cares or gives one fu**

Person : Hey

Me : Ststfu , idc

by dhdneswuehshshdhs February 19, 2023