A word, not just a word, used by kids on screen to show their interest. This made-up word looks attractive but rather annoying to people who study hardcore english. I mean why use cool when u can type a kewler version of cool. KEWLCEPTION.
Guy #1: OMG look!!! Miley Cyrus looks kewl twerking with her chicken ass!
Guy #2: I can twerk too. I mean I got the guts
Guy #3: not kewl bro