Top Definition
Evolutionary Psychology theory on the instinctual desire of humans of the female sex to discard a current mate when the opportunity arises to latch onto a subsequent mate of higher status due to the hindbrain impetus to find a male with the best ability to provide for her OWN offspring (already spawned or yet-to-be spawned) regardless of investments and commitments made to a current mate.

As societal impediments (both economic and cultural) to the recission of binding monogamous relationships deteriorate, the validity of this theory is being rediscovered to the chagrin of men in the trenches and to the delight of the new social engineers up in the towers.

akin to the notion of "serial monogamy" acknowledged by mainstream culture.
Hypergamy is a savage natural instinct that finds social acceptance when many other such instincts such as polygamy do not.
by tyl3r durden October 16, 2011

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The tendency for women to deceive men and leech money and resources off them.
Hypergamy is a dangerous human instinct.
by Zerbu December 04, 2011

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