Is “Stonker” a Scrabble word?
Yes
STONKER
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 Stonker
noun
1.Something highly impressive.
“Every record he played was a stonker.”