A billy casual is someone who plays every competitive esport but plays it casually and is not good at the game and never gets better. Also known as a Barlow.
guy 1. "Man you're such a billy casual"
guy 2. "I'm a what?"
guy1. "You play like a Barlow"
guy2. "Oh man I need to get good then"
by Melee Sucks October 22, 2015
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