STFD

Settle
The
Fuck
Down

Knobjockey: 'Wow, yesterday me an my mum went to the Royal Show. I got the Inspector Gadget showbag, the Neverending Story showbag, the Pound Puppies showbag, the...'

*Slap*

Greg 'STFD'

by Harris Scarfe August 4, 2009

STFD

Simmer
The
Fuck
Down.

Class: Oh boy! We get to watch JFK's assassination video?!
Teacher: Yes children, but if you don't STFD, you won't pass your first year of pre-school.

by NotSoFast! August 12, 2010

stfd

Simmer The Fuck Down

The need of chilling out

<Wes> Who just broke the pot I was spinning?
<Matt> You know what? You really need to STFD! and stop worrying, it sucked anyways.

by BryanZ July 27, 2008

stfd

Shut The Fuck DOWN!!
Recreation of STFU.

Guy1: Sonic is stupid, makikinizont!
Guy2: STFD!

by Tadakichi2 January 18, 2009

stfd

Suck the fat dick

You just got dumped, haha stfd dude

by nyuck March 22, 2009

STFD

Used for when something unexpected happens.

STFD!

by Laura789 July 22, 2011

Styfus

The section of hair on a man's head slightly forward and up from the ear, which is usually cut shorter than the rest of the hair in the "tape-up" style of haircut.

I haven't gotten a cut in a while, my styfus is growing wildly.tapeup tape-up haircut

by smike October 26, 2012