Usually considered 'rude' used to tell someone to be quite. Sometimes, shut up is used to express amazement, even if the person it is being directed to is not talking.
"Shut up Meg."

-Peter Griffin

or
"Shut up!"
"I didn't say anything..."
by modern wards June 24, 2016
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the hard term for "be quiet"
Mom: “Sammy and Charlie Needs to Get out of garage and eat with other cats right now”
Child: “But Mom, They Don’t Want To Eat Cat Food When They’re Alone”
Mom: “Yes They Do, Charlie and Sammy Needs To Eat With Other Cats. Now Shut Up!”
by MayDayMeh August 19, 2018
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What you say when your losing a argument
your losing the argument kid

other kid shut up
by Hit me harder daddy October 8, 2019
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something the pussy dragon satan can't do
One thing lucifer, that fukn pussy never has been able to do is just learn to shut up, and realize no one wants to hear his shit
by sum.fukn.dude March 1, 2022
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When I say shut up my kids won’t stop talking
Me: children shut up
Children: nah dad. (Continues talking)
by Lalalalala!!;p May 10, 2018
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