Is “Whoop” a Scrabble word?
Yes
WHOOP
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 Whoop
/huːp/
noun
1.A loud, eager cry, usually of joy.
2.A gasp, characteristic of whooping cough.
3.A bump on a racetrack.
verb
1.To make a whoop.
2.To shout, to yell.
3.To cough or breathe with a sonorous inspiration, as in whooping cough.