spark knock

11 LETTERS · STARTS WITH S

spark knock is a valid 11-letter word worth 26 points in Scrabble and 29 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

S1P3A1R1K5K5N1O1C3K5

1 + 3 + 1 + 1 + 5 + 0 + 5 + 1 + 1 + 3 + 5 =26 PTS

DOUBLE WORD → 52TRIPLE WORD → 78

MEANING

What does spark knock mean?