Is “Thwacks” a Scrabble word?
Yes
THWACKS
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 Thwacks
noun
1.The act of thwacking; a strike or blow, especially with a flat implement.
2.A heavy slapping sound.
verb
1.To hit with a flat implement.
2.To beat.
3.To fill to overflow.