What does Alaskan Light Switch mean?

Alaskan Light Switch meaning in Urban Dictionary

When a couple place their particular asses collectively to ensure their particular assholes tend to be as near as you are able to the other shits in to the others asshole. Then the other individual pushes the shit back in the others butt. And the two do so back in forth the reason of experiencing fecal anal intercourse. (can not work when you have the runs)