Is “Lummox” a Scrabble word?
Yes
LUMMOX
Valid in at least one Scrabble dictionary
Valid in these dictionaries
SOWPODS / CSW
Scrabble UK & International
TWL / NWL
Scrabble North America
Large English Dictionary
General English word list
Meaning of Lummox
/ˈlʌməks/
noun
1.A clumsy, stupid person; an awkward bungler.
“You've broken the plates, you great lummox!”