Ok great
It's the way of saying fine/alright/ very good/ok good/well done.
A man won chess competition. so his opponent said ok great.
Ok great
It's to say someone fantastic/marvelous/praise someone's work/saying congratulations.
A man won lottery ticket of $500000 dollars. So his friend said "Ok great" to winner
ok great
The adult way of saying "go fuck yourself" in a professional setting.
Worker 1: Can you go do that work thing I'm too lazy to do for myself. I don't really get paid to do it and I want you doing less important work so I can focus on the stuff that makes me look good.
Worker 2: Ok great.
Worker 2: Ok great.