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The act of putting your penis into your own ass (or vagina in the rare case your are born with both) and pounding away against your own will.
Man: (sobbing) I got moleincested last night.

Friend: What does that mean? What happened?

Man: Well, last night I was really drunk and passed out. Woke up to me drilling my own asshole.
by Uncle Gary's Potato Farm April 07, 2017
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