Green’s Dictionary of Slang

bagging n.4

[bag v. (3b)]

1. (Aus.) a scolding, a reprimand.

[Aus]R.G. Barrett You Wouldn’t Be Dead for Quids (1989) 159: Not to mention the frightful bagging Billy Dunne had given him when he called round for a drink.
[NZ] McGill Reed Dict. of N.Z. Sl.
[Aus]M.B. ‘Chopper’ Read Chopper 4 225: The former Victorian State Coroner [...] has given the Victoria Police a bit of a bagging over the police shootings.

2. teasing.

[Aus]R.G. Barrett Davo’s Little Something 25: Despite the bagging he’d been getting all afternoon [...] Davo was in a pretty good mood.