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3.
The act of waking up naked on your bathroom floor in a puddle of your own stool and vomit after a night of heavy drinking.
His mother found him following an alien abduction, so she washed him off in the shower and put him to bed.
by sixtoe March 18, 2011
 
1.
A term grown out of the alien abduction mythos of the late 20th century. It's when you give a person an "Anal Probe" while they are passed out.
Girl: Did you cornhole me while I was out?
Boy: No, it must have been an alien abduction.
by bubba May 04, 2004
 
2.
The night after a lot of drinking when you wake up and can't rememeber the events of the previous night. And, your butt kind of hurts or you have a mysterious bruise that you don't know how you got.
Guy 1: Dude, how did you get that bruise?

Guy 2: I don't know, I guess I had an Alien Abduction last night.
by Tempted November 10, 2007