rigging screw

13 LETTERS · STARTS WITH R

rigging screw is a valid 13-letter word worth 20 points in Scrabble and 25 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

R1I1G2G2I1N1G2S1C3R1E1W4

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

DOUBLE WORD → 40TRIPLE WORD → 60

MEANING

What does rigging screw mean?