by Ryan Mann November 20, 2003

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'
*Slap*
Greg 'STFD'
by Harris Scarfe August 4, 2009

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.
Teacher: Yes children, but if you don't STFD, you won't pass your first year of pre-school.
by NotSoFast! August 12, 2010

Conjoins the two following acronyms 'stfd' and 'stfu'
"Sit the fuck down, and shut the FUCK UP!"
Used when 'stfd' or 'stfu' doesn't achieve a satisfactory effect.
Often used to establish superiority and 1337ness.
"Sit the fuck down, and shut the FUCK UP!"
Used when 'stfd' or 'stfu' doesn't achieve a satisfactory effect.
Often used to establish superiority and 1337ness.
by I_Love_hooters January 4, 2005

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
It's a portmaneau or "tits or gtfo" and "sit the fuck down, from the infamous scene on the 2002 Muse DVD Hullabaloo
by dani6661 April 30, 2009

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
