go off at half-cock

VERB
19 LETTERS · STARTS WITH G

go off at half-cock is a valid 19-letter word worth 36 points in Scrabble and 39 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
G2O1O1F4F4A1T1H4A1L1F4-0C3O1C3K5
2 + 1 + 0 + 1 + 4 + 4 + 0 + 1 + 1 + 0 + 4 + 1 + 1 + 4 + 0 + 3 + 1 + 3 + 5 =36 PTS
DOUBLE WORD → 72TRIPLE WORD → 108
MEANING

What does go off at half-cock mean?

VERB · 1 SENSE
1

Act prematurely or without reflection or too soon.

BROADER