1 definition by TheTrueJoker

A derogative phrase use mainly to humiliate someone after having "pwned" them at any particular task.

Often joined with the phrase "Shut the Fuck Up" or abreviated to be "STFD, STFU"
*after finally killing the camping jerkoff on your favorite shooter video game* "Sit the fuck down, asshole."
by TheTrueJoker November 1, 2011
Get the Sit The Fuck Down mug.