Is “Clabber” a Scrabble word?
Yes
CLABBER
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 Clabber
/ˈklæb.ə(ɹ)/
noun
1.Sour or curdled milk.
2.Wet clay or mud.
verb
1.To sour or curdle.