Is “Biffy” a Scrabble word?
Yes
BIFFY
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 Biffy
/ˈbɪ.fi/
noun
1.A toilet
2.An outhouse