The act of ejaculating onto a woman's breasts. Derived from the song Landslide by Fleetwood Mac, taken from the snow-covered hills reference in the line, "I saw my reflection in the snow-covered hills 'til the landslide brought it down."
Joan really likes getting a landslide to round out a good, hard sexual encounter.
by subnetmask November 19, 2004
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1. Back before the Neocons hijacked the Republicanazi party, It it took an overwhelming majority of the votes to have a landslide, such as Reagan, who won 59% of the popular vote, and every state except Minnesota in 1984. Now, since 2000, a landslide is when you lose the popular vote and your hick brother "Jeb" helps you to steal Florida and therefore steal the election. That's a landslide, and 2004 was also a landslide when you rig all the electronic voting machines and steal the election that way. Republicanazis are getting good at landslides.

2. Prediction: Republicanazis will make sure that electronic voting machines, built by Republicanazi supporters, will be installed in all 50 states. Then they can again have another landslide because they can rig the votes in all 50 states rather than just 30.
Republicanazis are experts at landslides as long as they can prevent the people from actually having their vote count.
by AntiGop April 22, 2005
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Having sex while one person is on the bed, and the other is standing on the floor
Girl in doggy-style position and guy standing up for extra penetration from the Landslide position
by Goober0027 May 4, 2009
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The aftermath of a strong brewed Colombian coffee which results in a stomach-clearing shit-storm. This poo is not like any regular, solid poo; rather, it is a slimey, smooth, and smelly production. Post Colombian Landslide, one may feel 10-20 lbs lighter, happier, and healthier.
"Don't use the bathroom for a while, I had some Chipotle last night and just had a Colombian Landslide in there"

"My stomach hurts, I think I should have a coffee and induce a Colombia Landslide"
by EWMB March 5, 2018
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a combination of the cincinnati bowtie and a hot carl, cincinnati is located in ohio. and landslide... well. you know.
it takes some skill but i pulled off a monster ohio landslide on my bitch last night
by sexable panda June 26, 2008
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When you accidentally shit yourself and it slides down your leg. Most common when exerting oneself while performing a seemingly easy task. e.g. drinking a glass of water with one hand. Usually used as an exclamative.
by Charlene"The Moose"Chartreuse September 26, 2020
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when a male places his scrotum on another persons face (ball in each eye) with the shitter right above the mouth. He then takes a dump causing the shit to roll down their face like a portugese landslide
Woah, has she just recieved a portugese landslide?
I gave him a portugese landslide the other day.
by jeff93 January 7, 2010
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