Top Definition
An obsessed castle (ABC) fan. Anybody suffering from Obsessive Caslte Disorder can call themselves this.

If you get excited when you see the number 47 or if coffee means "I love you" and handshakes mean "kisses", then you know you're one of them (us).
I will Always be a Castillions!
by CastleIndia October 23, 2012

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