I Have No Idea What This Shirt Means

Is it some sort of Dance Dance Revolution thing? Just some weird cheat code? Something completely different? Not even Bayani knows and it's his shirt.

Uploaded 4/9/2011

T-shirt designs ©2010-17 their designers and are used without express permission. Photographs ©2010-17 Dave "The Knave" White and are under a Creative Commons Attribution Noncommercial Share Alike 3.0 Unported License (in other words, use 'em but please credit me and give me a link).