arse_around
1. [ verb ] be lazy or idle
Synonyms: loaf lounge_about loll frig_around bum_about waste_one's_time lounge_around loll_around arse_about bum fuck_off bum_around
Examples:

"Her son is just bumming around all day"

Related terms: idle idler
2. [ verb ] indulge in horseplay
Synonyms: fool_around fool horse_around
Examples:

"Enough horsing around--let's get back to work!" "The bored children were fooling about"

Related terms: play joke
Similar spelling:   Arisarum