sink back

9 LETTERS · STARTS WITH S

sink back is a valid 9-letter word worth 20 points in Scrabble and 23 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

S1I1N1K5B3A1C3K5

1 + 1 + 1 + 5 + 0 + 3 + 1 + 3 + 5 =20 PTS

DOUBLE WORD → 40TRIPLE WORD → 60

MEANING

What does sink back mean?