Performing cunilingus while she is deficating
by Janimal69 October 6, 2017

whenever you nail a girl in the tailpipe and you pull out and there is anal leakage consisting of shit and blood.
by willjoekirby September 28, 2004

A sexual maneuver involving scat and an Irish midget. Freedom to do whatever is encouraged, but you must ejaculate in an arc to resemble a rainbow.
by Scat 'o' the Irish March 1, 2010

When you have anal sex, and take out your penis, with shit on your dick, flop your dick around like a muskie out of water, and shit goes all over the girl.
by the cock monster March 23, 2009

A process more "intimate" than the glass bottom boat. It involves releasing ones bodily waste through the anus on to the eye glasses of a loving admirer.
While Melissa was hitting the bong, I squatted quietly over Cory and gave him a close up of my Mexican dinner from last night.
While Melissa was hitting the bong, I squatted quietly over Cory and gave him a close up of my Mexican dinner from last night.
While Melissa was hitting the bong, I squatted quietly over Cory and gave him a close up of my Mexican dinner from last night. He loves it when I give him muddy windows. I'm Lee.
by Box May 6, 2004

When you fuck a girl in the ass so balls deep, that her shit gets all over your scrotum. You don't notice the wet shit on your sack until you look down. It's quite shocking.
Unlucky Dude: What the quack, Kacie? Your mud is all over my hairy ballsack!
Kacie: It's your own damn fault for penetrating my asshole so gosh darn deep!
Unlucky Dude: Well now I have a Muddy Duckskin...thanks a lot!!!!
Kacie: It's your own damn fault for penetrating my asshole so gosh darn deep!
Unlucky Dude: Well now I have a Muddy Duckskin...thanks a lot!!!!
by Perv Tycoon February 3, 2014

When a guy sticks his dick in an ass, takes it out and slaps the other person in the face, imitating a windmill
Steven: "MAN!! last night I gave a girl an extremely excellent muddy windmill... she loved it!"
Jack: "Sounds like fun! We should try it sometime"
Jack: "Sounds like fun! We should try it sometime"
by JuneauPankake February 6, 2010
