bad hat

NOUN /bæd_hæt/
7 LETTERS · STARTS WITH B

bad hat is a valid 7-letter word worth 12 points in Scrabble and 12 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
B3A1D2H4A1T1
3 + 1 + 2 + 0 + 4 + 1 + 1 =12 PTS
DOUBLE WORD → 24TRIPLE WORD → 36
MEANING

What does bad hat mean?