Definitions by Nanzi

The Lon 

When a sexual partner sticks your own finger(s) in your own asshole, against your will, during sex; generally occurs in the 'doggy style' position. Also known as Lonned and Lonning.

"We we're getting it on in the car last night when he flipped me over and gave me 'The Lon'."

The Lon by Nanzi October 12, 2013