No, not "on fleek" as in they are cool or good, they are literally on Fleek — an app becoming popular on campuses as an unfiltered alternative to Snapchat. "It's like Snapchat, but with more ...

But only recently have adults without younger siblings started to become hip to the myriad wonders of "on fleek." On fleek pauree, broad as Ossa stood. (Some context: Pelion and Ossa are two ...