stash it

English

Verb

stash it

1. (imperative, slang, obsolete) Shut up; stop talking.
   • 1867, The Boys' Journal, volume 8, page 204:

     Leah blushed, and looked surprised and a little annoyed, for she saw that the other lady, Cora Nina, was intently regarding her and listening.
     "Stash it," said Bob, to his mate.

   • 1903, Frank Richardson, The Man who Lost His Past, page 122:

     "Manslaughter!" shrieked the prisoner. "Upon my—"
     "Oh, stash it!" said the constable, as he slammed the trap-door.