Being a badass.
Doing things with style, flair.
Doing a task with extreme perfection, or have a great time doing it.
Having a great time at any activity.
Look at him run that billiards table! Robert diye hain!
Raghav, you look so different and sexy! Diye hain!
He just bought a new Ferrari. Diye hain!
We stayed up all night and finished that bottle of Blue Label. Diye hain!