1. (Familier) Aristocrate.
2. [noun] (now only in slang) The head.
3. [noun] (cribbage) a jack of the same suit as the card turned up by the dealer. (see also nibs)
4. [noun] (slang) The glans penis, the sensitive bulbous structure at the end of the penis also known as the head of the penis. (Also spelled knob.)
5. [noun] (slang) (chiefly British) a wealthy or influential person; a toff
6. [verb] (informal) To hit in the head
7. [noun] Informal term for an upper-class or wealthy person.
