back slang

10 LETTERS · STARTS WITH B

back slang is a valid 10-letter word worth 18 points in Scrabble and 23 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

B3A1C3K5S1L1A1N1G2

3 + 1 + 3 + 5 + 0 + 1 + 1 + 1 + 1 + 2 =18 PTS

DOUBLE WORD → 36TRIPLE WORD → 54

MEANING

What does back slang mean?