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.
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