Top Definition
The erroneous belief - prevalent among certain groups of young males - that one is legally entitled to sexual intercourse with any female with whom one shares a birthday
B: I was born on February 20th, so I have the right to bang Rihanna.

A: You are one lucky MF. I was born on April 4th and must settle for Jamie Lynn Spears.
by bikeridetothemoon May 28, 2012
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