zipit "Not another peep!" ''Not another peep!'' Stifle oneself Slangy "Quiet!" "Shut your hole!" "Shut yer yapper!" "Shh!" from a mail carrier? "Not another peep out of you!" "Hush your mouth!": 2 wds ''Shut up'' "Shut your pie hole!" "Shut up!" "Button your lip!" "Shut your trap!" "Not a peep!" "Hush!" 'Be quiet!' "That's enough out of you!" "Not another word!"