Verb has 2 senses

• arse around(v = verb.stative) arse about, bum, bum about, bum around, frig around, fuck off, loaf, loll, loll around, lounge about, lounge around, waste one's time - be lazy or idle; "Her son is just bumming around all day"

Sample sentences:
Somebody ----s
Somebody ----s PP

• arse around(v = verb.communication) fool, fool around, horse around - indulge in horseplay; "Enough horsing around--let's get back to work!"; "The bored children were fooling about"

Sample sentence:
Somebody ----s