2 definitions by lmxdurge

Top Definition
The act of having sex with or wanting to have sex with fat people or a fat person.
Has Mike ever been with a skinny chick?

Nah, he practices obestiality.
by lmxdurge February 13, 2011
A person sexually attracted to and/or has sex with fat people.
Man Georges girlfriends are always so fat he is such a obestaphille.
by lmxdurge February 13, 2011

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