When a cadet at West Point becomes sexually aroused during a class or meeting in Lincoln Hall his/her erection is called a 'Lincoln Log'.
CDT X: "Have you seen those paintings in Lincoln Hall?"

CDT Y: "Yeah, dude. I go up to the second floor during class sometimes. There's one painting of a naked woman, it totally gives me a Lincoln Log."

CDT X: "Yeah, same. It's so sick when the instructors forget to lock the doors to Lincoln Hall. I can't tell you how many times I've gone in there and beat Navy."
by J Company, 5th Regiment March 7, 2013
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The sexual act of putting on a top hat, beard, and mole while taking a poo on the chest of your partner forming a small house.
Tyler gave Thiago a mean lincoln log last night.
by Sketchy D May 2, 2008
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When you are participating in anal sex and they shit on your dick
Anal was fun untill she gave me a Lincoln log
by ploppypoppy99 July 16, 2015
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A single man or woman that is of African descent that is floating in a pool or jacuzzi.
Hey Ray Ray, check out that Lincoln Log in the pool down there!"
by thezapperbam June 12, 2012
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When bearded women (preferably wearing top-hats) engage in the act of scissoring. This can involve a quantity of 2 - 12 bearded women.
"That is the hairiest lincoln logs session I've ever seen!"

"I hear the circus is coming to town. I hope they have a decent Lincoln Logs act."
by UncleRumpleFugly July 7, 2009
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When someone attemps to shove old poop in someone elses butt
Oh he totally just got the Lincoln Log!
by lincolnlogger69er May 7, 2009
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A sexual move where a man has a women shit on his dick and then jams his poop covered dick into said female's mouth while singing the national anthem.
Last night I did the Lincoln log jammer on Stacy she's still pissed at me.
by SirWoofen January 15, 2020
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