Shut up
DIRECT COMMAND WITH A MEANING SIMILAR TO "BE QUIET"
Shut Up; Shut The Fuck Up; Shut The Hell Up; STHU; Sthu; Be quiet; Be Quiet; Shutup; ShutUp; S.T.H.U.; S.t.h.u.; S.T.H.U; S.t.h.u; Shut up!; Shut Up!; Shut your fucking mouth; Shut Your Fucking Mouth; Shut-up; Shut-Up; Shrup; Shut the fuck up; Shut your mouth up; Hush up; Shaddap; Shuttup; Shut the front door; SHUT THE FUCK UP; Shut up your mouth; Shut the hell up; STFU (expletive); Shut the Fuck Up; Shut the heck up
"Shut up" is a direct command with a meaning very similar to "be quiet", but which is commonly perceived as a more forceful command to stop making noise or otherwise communicating, such as talking. The phrase is probably a shortened form of "shut up your mouth" or "shut your mouth up".