140 Mash, Phrasing!

“Wha- Well, I’ll just fucking do it then! You better fucking hire me if you like the proposal once I put it together! I won’t eat until it’s done! Just you wait!” While Ji Soo is full of arrogance and hot-headed steam while initially shouting this, he immediately drops into a far more timid voice when changing his intended audience. “Um, M-miss Calculated, h-how would you like to have your donations account handled?”

‘OH MY GOD, YOU ARE SUCH A FUCKING SIMP!’

[...I'm not even going to ask, I can guess more than a few implied derogatory meanings.]