The act of travelling through time and copulating with oneself; Intercourse with a chronologically distinct iteration of oneself.
Doc longed for a simpler time, when people didn't lock their front doors. It's much easier to sneak in and molest children when the doors aren't locked. After inventing the time machine, he travelled back in time and molested many children. Some believe Doc unwittingly commited autochronocoitus, which lead to his pedophilia.
(also known as autoasexual) to be aroused by content that would normally arouse you and even enjoy masturbation, but having no desire to have sex with another person.
Dude1: Dude2, I just found out that I'm Autochronophiliac!
Dude2: WTF?
Dude1: Last night I used time machine to travel 20 years in past. I went to my place at the college campus and things started rolling unexpectedly...
Actually, I lost virginity with myself.
Dude2: how was it?
Dude1: Enlightening! Now I know who was that guy in my shower 20 years ago!
one who is always afraid something is wrong with his/her car. They will ask any passenger, "do you smell that, is that my car?" "What's that noise? Is something wrong?"
Jen is such an autochondriac she has her mechanic on speed dial and makes him 'listen' to the sounds her car is 'making.'