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mantrain 

A group of males in a line, coupled to each other like train cars through anal penetration.
The men shouted, "CHOO CHOO All aboard the MANTRAIN" as they engaged in aggressive anal intercourse.
mantrain by tpyo May 24, 2006

Mantrain 

A line of men standing naked back to back, with each man's penis in the anus of the man in front of him.
The gay boy Jacob joined the mantrain
Mantrain by brewersalliance October 19, 2010

mantrain 

A rather drunk and Horny Yorkshireman.
mantrain by Baconfish December 1, 2006

Global Mantrain 

Established in 2010, Global Mantrain is an annual event where men of the world connect in sexual intercourse with the ultimate goal of connecting the first person with the last person, leading to a man train that connects all the way around the world. To ensure the train stays connected boats are used to go across any body of water.
GLOBAL MANTRAIN 2010!!!!!!!!!!
Global Mantrain by global conductor November 24, 2011

Circular Man Train 

A man train where all the participant form a circle so there is beginning or end. No one has to be the caboose or engine, however it requires more people than the standard man train
Bob: Who was the caboose of the man train last night?
James: No one, it was a circular man train.
Bob: Sweet!
Circular Man Train by Nova294 December 6, 2010

mantainer 

a male fueled by the unbelievable ability to eat, lounge and repulse. a combination of the two words man and container, a true mantainer outeats the competition and attempts to move as little as possible.
ryan was the ultimate mantainer on vacation as he consumed 42 kilos of food, 53 liters of soda/beer and one small child--all without leaving his room.
mantainer by jeff_toronto January 7, 2009
More from Urban Dictionary
The number of years you are still sexually active
While our lifespan is the number of years we will live, our healthspan is the number of healthy years we will have and our sexspan is is the number of years we will continue to be healthy enough to continue having an active sex life.
sexspan by Dr Kat April 21, 2022
Word of the Day on October 28, 2026
A lighthearted reaction upon receiving disappointing news of some sort. Usually something that isn't a particularly a big deal, esp. when it primarily affects someone else - sort of a mild schadenfreude. Sometimes doubled or tripled, and possibly said in a sing-songy voice for added comedic effect to imitate a muted trumpet, which is how the meme originated.
You didn't get any napkins with your takeout pork fried rice? Womp womp.
womp by 175623226 November 3, 2011
Word of the Day on October 27, 2026
When your wife’s boyfriend let you sleep past 8pm 😎😎
Wife’s boyfriend: You have 5 more minutes
Me: Poggers!
Poggers by Just_Charles April 14, 2020
Word of the Day on October 26, 2026
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