1. [late 19C+] the mouth.
2. [late 19C+] a face.
3. [1910s+] (Irish) a sulky look; also as v., to pout or sulk; thus have a puss on
[1970s] (US) a sufficiency, esp. of drink.
[1950s+] to display a sulky or ill-humoured face.
[1950s] (US) to be quiet, to stop talking; also as imper.