passing strange

15 LETTERS · STARTS WITH P

passing strange is a valid 15-letter word worth 18 points in Scrabble and 23 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

P3A1S1S1I1N1G2S1T1R1A1N1G2E1

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

DOUBLE WORD → 36TRIPLE WORD → 54

MEANING

What does passing strange mean?