when a womans jugulars have been swollen by milk glands and then deflate. The skin was stretched to the max and then after all the vitamin D is extracted from the boobie, it becomes a mudflap because it is so loose it looks like a piece of fatty skin laying on top of the chest.
I met this fly biatch and took her home with me to copulate. My jimmy got hard and once she took her shirt off, I thought I was at a truck stop with the giant mudflaps I saw. I had to send her to the streets to hitchhike with them flappers!
by Don't Matta February 13, 2009
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Having sex with a woman by sliding your penis between her labia.
She was kind of freaked out when I DUTCH MUDFLAPPED her.
by BigDaddy1013 January 27, 2016
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The act of a man urinating on a woman's vagina.
Woman: "Hey baby, what do you want to do to me tonight?"

Man: "I was thinking I could do a little mudflap hosing."
by The Maester October 03, 2017
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A vagina so worn out that the labia(lips) hang low like a nutsack.
I told the bitch to roll up her stanky mudflaps because she was attracting seagulls.
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Your partner must have explosive diarrhea You anally penetrate your partner of choice with the stock of an Ak-47, and they begin uncontrollably shitting all over the firearm. You then penetrate the barrel of the firearm and use your testicles as a mudflap to control the explosive shit. Once done, you remove the firearm and use the cum and shit covered rounds to protect the motherland.
"Why is rifle covered in cum and shit comrade?"

"I gave the wife the good ol' Soviet Mudflap last night blayt."
by Ni🅱️🅱️a Cat March 08, 2019
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The delicate art of inserting one of your nuts directly into her asshole.
Rise and grind baby! It's mudflap time.

Alaskan Mudflap- inserting your nut in and around her butthole
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