Green’s Dictionary of Slang

pan n.1

[SE pan, as something round or a container]

1. [late 17C+] the female genital area.

2. [mid-19C+] (US) the mouth; often as shut pan!

3. [1910s] the head.

4. [1910s+] the human face.

5. [1970s+] (US gay) the anus.

In exclamations

shut pan! (v.) (also shut your pan!)

[late 18C–1920s] be quiet! shut up!

SE in slang uses

In compounds

panhead (n.) [the resemblance of their badge to a pan-lid]

[1940s] (W.I.) a district constable.

panwit (n.)

[1990s+] (UK juv.) a fool.

pan-wrestler (n.)

[1940s] (US) a cook.

In phrases