arse around

VERB
11 LETTERS · STARTS WITH A

arse around is a valid 11-letter word worth 11 points in Scrabble and 13 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
A1R1S1E1A1R1O1U1N1D2
1 + 1 + 1 + 1 + 0 + 1 + 1 + 1 + 1 + 1 + 2 =11 PTS
DOUBLE WORD → 22TRIPLE WORD → 33
MEANING

What does arse around mean?