When you pin someone down, then run your Arse Crack along their nose.
This is works bet when you have just had a big arse S*it.

monorailing
by Warren6983 December 7, 2006
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When two guys put the tips of their erect dicks together and one guy strokes both dicks like it is one large dick.
gay man sex is fun when you monorail
by 596A December 11, 2010
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When a guy lays his hard penis on his belly and his girl slides her dripping wet pussy on top and glides along it like the Monorail at Disneyland.
OMG...Kelly Monorailed me last night it felt like I was on a ride to the happiest place on earth
by Rupert Ventura February 18, 2018
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1 : Partaking in intercourse aggressively enough that the other participant believes there are multiple partners.

2 : A one man train.
He was so aggressive last night, I thought there were eight of them, it was hard to believe it was just a monorail.
by JP's November 19, 2016
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to pick a thin girl up and never let her touch the ground until you are finished. Also you can run train and never let her down just like a Monorail
"damn that girl is so monorailable"

"you want to run train on michelle, no let's monorail that hot piece of ass"
by zackr6912 April 26, 2009
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To poop in another's butt and then have that person poop it back into your butt, poopetually.
Cindy and I took a ride on the Midnight Monorail last night, and I ain't talkin' about at Disneyland.
by Twink13 March 29, 2009
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A public works project that is a huge waste of taxpayer money that turns out to be either a scam, a huge waste of money or both.
Comes from the Simpsons episode "Marge vs the Monorail" where Springfield spent all their money on a monorail only to have it fall apart on its maiden voyage.
The sky lift system cleveland put in fell apart after a week. That thing was a real Springfield Monorail.
by Dark Lord Cthulhu August 12, 2013
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