Is “Wag” a Scrabble word?
Yes
WAG
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 Wag
/wæɡ/
noun
1.An oscillating movement.
“The wag of my dog's tail expresses happiness.”
2.A witty person.
verb
1.To swing from side to side, such as of an animal's tail, or someone's head, to express disagreement or disbelief.
2.To play truant from school.
3.To be in action or motion; to move; progress.