Top Definition
It is a holiday on April 11. Its celebrates chilling and doing nothing.
Hey guys, its April 11. Lets go to Arby's to celebrate the chilleventh
by none ya man April 11, 2007
The sweetest holiday ever, all you do is chill
What up? Nothing cause it is the chilleventh and I am just chilling.
by brad fini December 29, 2007
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