noggin

noun

1. a small cup or mug.
2. a small amount of alcoholic liquor, usually a gill.
3. Informal. a person’s head.

noun

1. a small quantity of spirits, usually 1 gill
2. a small mug or cup
3. an informal word for head (def. 1)

n.1620s, “small cup, mug,” later “small drink” (1690s), of unknown origin, possibly related to Norfolk dialectal nog “strong ale.” Informal meaning “head” first attested 1866 in American English.