look up any word, like blumpkin:
 
2.
Much like running a train, you and your friends take turns defecating on a girl's chest and stomach region until some type of crude structure is formed by the feces.
After feeding her ungodly amounts of booze, I was finally able to convince her to let me and my friends do some Lincoln-Logging in her dorm room.
by eops November 01, 2009
 
1.
The act of sitting on a woman's twat and taking a long, stiff, preferably brown stool directly into her vagina until she orgasms.
Timmy: I just gave my girlfriend a lincoln logging last night

Robert: Her vagina probably smells like shit!
by theallknowingnostradamus February 25, 2011
 
3.
When two women use a turd as a double sided dildo.
I met a hot butch last night and we ended up Lincoln logging till dawn. It was so hot.
by SallyCockidilly October 29, 2013