Is “Yakking” a Scrabble word?
Yes
YAKKING
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 Yakking
verb
1.To talk, particularly informally but persistently; to chatter or prattle.
2.To vomit, usually as a result of excessive alcohol consumption.