upsetting lever

15 LETTERS · STARTS WITH U

upsetting lever is a valid 15-letter word worth 20 points in Scrabble and 26 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

U1P3S1E1T1T1I1N1G2L1E1V4E1R1

1 + 3 + 1 + 1 + 1 + 1 + 1 + 1 + 2 + 0 + 1 + 1 + 4 + 1 + 1 =20 PTS

DOUBLE WORD → 40TRIPLE WORD → 60

MEANING

What does upsetting lever mean?