arse around

(verb) be lazy or idle. Synonyms: bum, bum around, bum about, arse around, arse about, fuck off, loaf, frig around, waste one's time, lounge around, loll, loll around, lounge about. Example: "Her son is just bumming around all day."

(verb) indulge in horseplay. Synonyms: horse around, arse around, fool around, fool. Examples: "Enough horsing around--let's get back to work!." "The bored children were fooling about."