martingale boom

15 LETTERS · STARTS WITH M

martingale boom is a valid 15-letter word worth 21 points in Scrabble and 27 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

M3A1R1T1I1N1G2A1L1E1B3O1O1M3

3 + 1 + 1 + 1 + 1 + 1 + 2 + 1 + 1 + 1 + 0 + 3 + 1 + 1 + 3 =21 PTS

DOUBLE WORD → 42TRIPLE WORD → 63

MEANING

What does martingale boom mean?