Unknown , East Anglian slang. Perhaps from "dumb ox", influenced by lumbering; or from or cognate to dialectal verb lummock (“move about heavily or clumsily”), itself a word of uncertain origin.
lummox (plural lummoxes)
- (informal) A clumsy, stupid person; an awkward bungler.
- You've broken the plates, you great lummox!
- 2000, Ben Kingsley as Don Logan, Sexy Beast:
- I love you, Gal. You're lovable. Big lovable bloke. Loveable lump. Loveable lummox. Gal Dove, party boy. Big oaf.
clumsy, stupid person