(Britain, slang) An individual who has few or no friends.

(Australia, obsolete) Imaginary king of the Australian aboriginal people. / Tasmanian aboriginal man William Lanne (c.1835-1869) believed to have been the last Tasmanian aboriginal man.

plural of Billy Bunter

A fictional fat boy with round spectacles in Charles Hamilton's stories set at Greyfriars School.

(Britain) A fat boy. / (Cockney rhyming slang) A punter (in a betting shop etc.).

An epithet used in mild teasing for a silly person, or one who has just done something of a foolish nature.

plural of billy club

plural of billy goat

especially any of several flowering plants, of the genus Craspedia (but especially Craspedia globosa), native to Australia, having globes of yellow flowers.

Alternative spelling of Silly Billy