Is “Goop” a Scrabble word?
Yes
GOOP
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 Goop
/ɡuːp/
noun
1.(usually uncountable) A thick, slimy substance; goo.
2.A silly, stupid, or boorish person.