Is “Tubby” a Scrabble word?
Yes
TUBBY
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 Tubby
/ˈtʌbi/
noun
1.(often used teasingly) An overweight person.
adjective
1.Stout, rotund
2.Resembling a tub; sounding dull and without resonance or freedom of sound.
“a tubby violin”