final whistle

13 LETTERS · STARTS WITH F

final whistle is a valid 13-letter word worth 21 points in Scrabble and 23 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
F4I1N1A1L1W4H4I1S1T1L1E1
4 + 1 + 1 + 1 + 1 + 0 + 4 + 4 + 1 + 1 + 1 + 1 + 1 =21 PTS
DOUBLE WORD → 42TRIPLE WORD → 63
MEANING

What does final whistle mean?

1