screwing

NOUN
8 LETTERS · STARTS WITH S

screwing is a valid 8-letter word worth 14 points in Scrabble and 17 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
S1C3R1E1W4I1N1G2
1 + 3 + 1 + 1 + 4 + 1 + 1 + 2 =14 PTS
DOUBLE WORD → 28TRIPLE WORD → 42
MEANING

What does screwing mean?