STFD is an acronym to simply say SLOW THE FUCK DOWN. This wonderful acronym comes from a musical called Come From away which I suggest you check out.
And if they're speedin', I'll stop them and write out a warning ticket. I'll write STFD
Slow the fuck down!
Slow the fuck down!
by DoodlesfortheDay August 8, 2019
by M_ANON July 14, 2019
STFD or in other words, sit the fuck down
by ordinary otaku September 12, 2017
abbreviation for 'sit the fuck down'
"woah, that joke went too far, stfd!" or (just after you win an argument "Yeah, that's what I thought... now stfd..."
by plipploplol November 5, 2017