3 shades of mama bear

and ass kicking with the ferocity of 3 mama bears when you mess with their cubs

Girl: "my neighbor was up at 6 this morning mowing his lawn."

Guy: "6 on a Sunday morning is way too early to be making that kind of noise."

Girl: "yeah, if I had not already been up, I would have gone 3 shades of mama bear on him"