To close ones mouth.
1799. Instead of saying grace decently, as he used to do, he called out attentionhandle armsand for grace after dinnernow shut pans.Mass. Spy, Jan. 2.
1833. Shut pan, and sing dumb, or Ill throw you into the drink.J. K. Paulding, The Banks of the Ohio, i. 213 (Lond.).
1833. If I didnt make em shut their pans quicker than a flash of lightning.Id., ii. 92.
1835. I shut pan on the subject, and fell to eating my dinner.Col. Crocketts Tour, p. 102.
1841. No one rose. No one broke silence. Shut pan seemed to be the word of command on the left side of this chamber.Mr. Benton of Missouri, U.S. Senate, July 7: Cong. Globe, p. 123, App.
1853. Spicer raised his hand to stop the speech, but the lawyer wouldnt shut pan, till a look brought Joe Whites rifle to his cheek.S. A. Hammett (Philip Paxton), A Stray Yankee in Texas, p. 139.
1855. Now jest stop, Axy, said he, jest shet pan now I tell ye; and dont open your face again.C. W. Philleo, Twice Married, Putnams Mag., vi. 246/1 (Sept.).