bagging me/him/her/them out
Australian slang meaning 'make fun of' or 'insult'. Other variations: bag(s) out, bagged out.
"You're always bagging me/him/her/them out!"
Bag on him
If someone has a bag on them, it means they're in a bad mood for some reason. It's a politer way of saying that the person has their "arse in their hands"
Mark: I just asked the gaffer if I can book a few days off work and he went absolutely ballistic at me!
David: Yeah, probably best to stay away from him today, he's got a right bag on him for some reason.
David: Yeah, probably best to stay away from him today, he's got a right bag on him for some reason.