Definition 1 of 3
Often used by mummies to lovingly excuse the shenanigans of their bratty, destructive offspring.
Mrs. Khalsa, amused : "oho, relax yaar. He's a young boy, total badmaash, just like his father. "
* looks fondly at her son*
"So he broke your window. Ki farak painda hai? I'm sure you can afford to get it repaired."
Definition 2 of 3
A toss up of Bad-Mash is "Bura-Bharta"