stfd

SHUT THE FUCK DOWNN.

person A: "something stupid"
person B: wow, stfd.

by ahhguesswho May 26, 2011

stfdastfu

Sit the fuck down and shut the fuck up.

Kyler: Mom keeps spazzing and running around the kitchen.

Josh: Tell her to stfdastfu

by Nehltic February 1, 2009

STFD

SLOW the fuck down!

You're doing WHAT and texting? STFD!

by MagneticPortal June 19, 2014

tits or stfd

A phrased coined on INO by me.

It's a portmaneau or "tits or gtfo" and "sit the fuck down, from the infamous scene on the 2002 Muse DVD Hullabaloo

Person 1: "you dick!"
Person 2: "tits or stfd."

by dani6661 April 30, 2009

STDD

Sexually Transmitted Disease Distributor.

Ol' dude is a STDD like it's no body's business.

(Skank, Slut, Whore, anyone who sleeps around - potentially spreading disease.)

by Fruit of the Doom February 9, 2012

STFD

Sit the Fuck Down

Used when someone just says something obnoxious and you need to put them in their place

Keenan: Aww man, my parents aren't getting me a Mustang for my 16th birthday. This is so unfair.

Damien: Dude, STFD. stop being a douche.

by Dontbeadick October 3, 2011

ssdfd

Same Shit Different Fuckin' Day. Derived from SSDD (Same Shit Different Day)

Person 1: "How are ya?"
Person 2: "Oh, you know - SSDFD."
Person 1: "I hear that"

by BlueliquidX April 11, 2008