When your trying to poop and it gets stuck in the hole. (Constipation)
"I tried to let 'er go but i had a log jam"
by jordan b November 19, 2003

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When a dude with a huge cock tries to fuck a virgin pussy, his cock (log) gets stuck
MOCO doesn't want a log jam so he avoids fucking virgins.
by MOCO & P-Phat February 11, 2009

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When you type in "Lolhaha" on your Ipod/Iphone it may/will correct to this.

Essentially the other person is saying Lolhaha and forgot to space.
"My nan died today..."

"LOGJAMS!"

"Dude, that's not fucking funny..."
by FangXVI July 08, 2013

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The act of sticking one's thumb between somebody else's butt cheeks and announcing "Log Jam!". This is not a sexual act, it is performed externally while the recipient is wearing pants. Best performed in front of other people.
Nick, standing behind Frank waiting in line at the cafeteria, jams his thumb up between Frank's butt cheeks and yells "Log jam!"
by legsalad January 16, 2011

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A party or gathering with too many guys and not enough girls.
Also known as a sausage fest, sword fight, or a wang out hang out.
Dude this party is a total log jam...there's no chicks.
by zombie mike November 16, 2008

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When you are getting your asshole sucked, and you send a POWER TURD into the mouth of recipent!
Shitting into the mouth of someonew that is sucking your asshole!
by Christopher Gelston February 07, 2005

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When two males are in the Eifel tower position and thrust at each other simultaneously, Effectively causing a log jam
Me and The Gooch were Eifeling this bitch when we both hammered at the same time causing quite the log jam.
by Keltic thundar March 09, 2010

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