1 definition by Philhellenist

1
Etymology: From Greek, Hippos, meaning horse (Ἵππος) and eros, meaning sexual love (ἔρως). Similar structure of pederast.

A person who desires or engages in sexual activity with a horse.
These hipperast women don't realize that horses may cause great pain with their violent thrusts.
by Philhellenist December 18, 2017
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