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1.
Chillagy refers to " Trilogy" which is a set of three works of art that are connected, In this case you chill for 3 days straight. There are no breaks and you must remain with atleast 2 other people.
Guy 1: This weekends gunna suck!

Guy 2: Yo lets have a chillagy.

Guy 1: Im down for a chillagy.

Guy 3: yeeeeeeeeeeeeeeee
by Fibonachi January 31, 2011