buckle down

VERB /bəkəl_daʊn/
11 LETTERS · 2 SYLLABLES · STARTS WITH B

buckle down is a valid 11-letter word worth 22 points in Scrabble and 27 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
B3U1C3K5L1E1D2O1W4N1
3 + 1 + 3 + 5 + 1 + 1 + 0 + 2 + 1 + 4 + 1 =22 PTS
DOUBLE WORD → 44TRIPLE WORD → 66
MEANING

What does buckle down mean?

VERB · 1 SENSE
1

Work very hard, like a slave.