This is when you stand infront of your toilet naked while your female partner (unlike the regular Leaky Locomotive hangs on your shoulders facing you. As you Initiate vaginal intercourse your female partner takes a dump in the toilet.
*Warning* This can get very dirty.
Rusty Leaky Locomotive:
Bob: "Dude it go so messy last night!"
Frank: "messy, why?"
Bob: "We did the Rusty Leaky locomotive!"
Frank: "Woah!"
by theonewhoisbroken February 03, 2010
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A person that has 0 intelligence. listens to Billie eilish, bts, panic at the disco, Melanie Martinez. Is depressed,Finds the stupidest things funny.
by Qseemisspoopi E November 02, 2019
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To place ones hand in a vagina with a closed fist
Dude, she was that horny i ended up giving her the locomotion. She jizzed all over my arm
by Mystikal 234 June 12, 2021
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This is when you stand infront of your toilet naked while your female partner leans over the toilet with her ass facing you. You initiate Anal intercourse just like the standard missionary position except she will start to urinate into the toilet as you go in her ass.
Leaky Locomotive:
Bob: "Dude it go so messy last night!"
Frank: "messy, why?"
Bob: "We did the Leaky locomotive!"
Frank: "Nice!"
by theonewhoisbroken February 03, 2010
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The act of a woman having sex with a man's anus using a strap-on dildo, while that man has sex with another man's anus, who is having sex with another woman's anus.
What are doing for your couple's date tonight?

The locomotive motion!
by The 23rd Conductor February 16, 2011
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The act of preforming coitus on a tracheotomy hole or perminate cervial stoma.
Last night my wife wouldnt give me head, but I did get to conduct a winchester locomotive.
by Badidea2234 April 25, 2021
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