When you take a wet shit and you don't know which comes out more, shit or loose watery liquids
J: Yo, let's get Taco Bell. That new dollar menu is hot.
A: Nah, I'm good. John was telling me about that watery shit he took. You know, that dirty niagara.
by KitchenPillow December 28, 2016
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The unfortunate effect of excessive heat on male genitalia resulting in an insane amount of perspiration in the testicular region.
I was going to go to the carnival last night, but it was so hot out I got niagara balls as soon as i walked outside.
by SuddenlySilly June 1, 2011
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a sex position in which Person A eats out Person B’s ass in missionary, while Person A is on their period
She got her period last night but it’s cool, I just did the Edward Cullen visits Niagara Falls
by foodie420 March 10, 2022
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Pulling a Niagara means to apply to only one college for an undergrad and be accepted. This can also be applicable to grad school.
John: Hey, do you know how many schools Mary applied to?
Kelly: Nah, she pulled a Niagara.

or

Dan: Do you think I should pull a Niagara and apply only to Princeton?
Cole: Nah, its risky. Apply somewhere else too.
by TinTinTenTen November 7, 2017
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Person 1: What's up my niagara?
Person 2: Suh niagara.
by JayyyTheDuck December 7, 2016
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Yoooooo this is the thing that happens when you do a 24 hour stream and you need to pee and you cant spot at all
Hawxx is ripping did the biggest Niagara falls ever
And 2nd to that was me(Nico)
by Hates everybody January 4, 2019
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When it's been a while since you've came, and when you finally do you flood your partner's pussy, then you pull out and as it comes gushing out you point and go ohhhh ahhh and take close up pictures of it like you're at niagara falls
Damn girl, look at that flowing out of you, you're just a sexy Niagara falls!
by Captn_foobar April 21, 2021
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