Top Definition
A commonly used system for rating physical attractiveness, the person in question is given a mark out of 10 to one decimal point. For example Kate Hudson would score a solid 7.8 out of 10.

It is more commonly referred to as the D-Grading System.
Hey that girl looks hot, what is she on the Deci Grading System?

Let's d-grade new girl.

God he is so ugly he needs d-grading
by chilli boy shah August 21, 2010
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