Being extremely cool or chill. Someone who is icychill is generally popular among they're peers. There are also many icychill posers. If a loser, dork, or nerd says that they are icychill, then that will make them even more uncool.
1.Tiffany is the most popular girl in school. She's so icychill.
2.Oh my god that loser Dylan said he was icychill. Let's beat him up.
by Icychillxoxo August 06, 2008
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