Top Definition
This is a havoc wrecking syndrome of the non-proper wearing of mid calf socks. CAS (chilly ankle syndrome) is almost always contracted by wearing ankle sock when laxing or playing in another athletic event. To cure your CAS your going to need 50 cc's of black/white nike mid calfs, and a whole bunch of flow.
Guy 1: "look at peter, by god that seems to be the worst case of chilly ankle syndrome (CAS) i have ever seen!"
Guy 2: "someone must help this bro before its to late and get him some mid calfs, stat!"
by TouchAndBro October 21, 2010

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