It is the improper spelling / word for Kowtowing, which means to touch the forehead to the ground while kneeling, as an act of worship, reverence, apology, etc., especially in former Chinese custom. AKA: to kiss someone's ass or to be submissive.
Her boyfriend is a jerk. They broke up because he cheated, but she's already back cowtowning, cowtowing to him trying to get him to take her back.
A reference to Otonoshin Koito from Golden Kamuy. It means to try and care/help people, but being so disconnected from socials norms and lacking self-awareness to the extent that all your attempts are futile.
My phone broke, so Jack decided to offer me advice: but a new one. Rich boy's definitief Koitoing.
Someone who is addicted to obtaining money and building wealth. A money addict and fanatic. Breadheads often work more than one full-time job, and some even participate in illicit activities to "obtain the bread".