Somebody who tries to be cool with everybody, and fit in where ever he may go. The rational thought of a Chill Bro is severly slanted when compared to any normal person. The ideas brewed within a Chill Bros mind are enough to chill normal people to the bone. Occasional contact with Chill Bros is sometimes impossible to avoid, although be warned, too much contact may result in a normal person catching hypothermia, or even frostbite. Any and all ideas, actions, or motives presented by a chill bro, shall be classified simply as, Chill.
Man, I wish there werent so many Chill Bros around, i'm gunna catch a cold.