i make some sexy ass beats. pls subscribe.

Well it can stand for anything like the mathematical "X", formless and infinite. For me however its "unknown deficit hyperactive disorder". That moment, that feeling or knowing or not knowing what its is you lack but seeking it and becoming aware, on your path of life. Seeking/discovering self, so that you may understand others. This is my concept of XDHD, now discover your own.

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Nonchalant is following