When someone performs horribly or says something they shouldn't say, it is the action needed for them to sit down and shut up...meaning they never should have gotten up in the first place.
Kanye West needed to sat down when he interrupted Taylor Swift's speech.
by MattDukeFan August 29, 2012
Get the Sat Down mug.
When somebody gets put in their place or told off you would say "get sat down mate"
Person 1: "You're ugly!"
Person 2: *punches Person 1
Observer: "lmao get sat down mate"
by EthanFromEngland April 25, 2022
Get the Get sat down mug.