turf out

VERB
8 LETTERS · STARTS WITH T

turf out is a valid 8-letter word worth 10 points in Scrabble and 12 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
T1U1R1F4O1U1T1
1 + 1 + 1 + 4 + 0 + 1 + 1 + 1 =10 PTS
DOUBLE WORD → 20TRIPLE WORD → 30
MEANING

What does turf out mean?