On Fleek
on fleek

Adj.
1. very good
2. notable
3. desirable

Syn.
Tight, on deck, the bomb, the joint, bad-ass

Note:

Why do some people put down todays youth when they come up with something benign like slang, but he they were rewarded greatly they would put forth that SLANG DIDN'T START WITH TODAY'S YOUTH? Most living things, especially human beings find common ground to join together. Language, even slang, is one of those common grounds.
That car is on fleek, and so is that song they bumpin