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A girl who is like a bromigo but is a girl
guy1:"Ima go hang with my chillyboo"
guy2:"Are you gay? that is the second dumbest thing i heard today"
guy3:"I think your dumb cause there are very few chillyboos out there man just grow up and accept the fact that he has an awesome girl to chill out with just chill a bitch"
by proboss September 09, 2011
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