Niagara Falls, Ontario:
A thriving, affluent city of 80,000 people with casinos, hotels, high rise buildings and good nightlife. It surpasses its American neighbor, Niagara Falls, New York due to a more vibrant tourism industry which was largely built up in the 1990s, and a stronger economy. Niagara Falls, Ontario also has a better view of the falls.

Niagara Falls, New York:
A Rust Belt city remotely resembling the nearby city of Buffalo, New York in a region known as Buffalo-Niagara. The area originally had several chemical plants and industries, due to the vast power of the Niagara River, but now has a high unemployment rate of about 12% and a failing economy. It is the site of Love Canal, one of the worst pollution disasters in US history. At its peak it boasted well over 100,000 people but has since declined to nearly half of that. It falls behind its Canadian neighbor, which has a much stronger economy and a vibrant tourism industry.
Child: Are we going on vacation in Niagara Falls, NY?
Parent: Hell, no! We're going to Niagara Falls, Ontario!
by mistress silence dogood May 25, 2010
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An explosive shit. Comes pouring out of your ass with seemingly no end to the flow. Like a hot waterfall of shit.
I ate some bad oysters last night and today I experienced the worst Niagara Grumper. I couldn’t get off the shitter.
by Eaton Holgoode January 25, 2018
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First, you jizz in a gatorade bottle for a month to save up a lot of old, smelly, crusty cum. Second, you fuck a girl from behind. When it's time to cum, you pull out the bottle with your juice and pour it allllll over your partner's back, making it like a cum waterfall (the "Niagara"). Third, when the partner turns around and yells "HOLY SHIT!" you bust in their eye (the "Surprise").
Bukkake's for amateurs; I pulled a Niagara Surprise on that bitch!
by CR3W-Gonzo March 9, 2009
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"Oh Henry, lets retire to Niagara on the Lake when we're 50 as it is a good place to die"
by Heat20 November 19, 2008
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Niagara Falls, NY is a shithole that for some reason everyone loves to call home. people that live there rarely actually go to the falls unless they work there. home of jonny flynn and paul harris. you haven't had a steak and cheese sub til you've been to viola's. collosso taco is a staple. third streets crazy.
" I'm from shitty Niagara Falls, not sure why but i love it..."
by p-tezz December 8, 2007
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Niagra Falls? NI-AG-RA-FAAALLLLLLLS!

Vaudeville routine made famous by the Three Stooges.
Slooooooowly I turned, step-by-step, inch-by-inch, and then I jumped on him, and I punched him an kicked him, till he was pissing blood, Aggggghhhhhhh!!!
by The Dodger January 9, 2005
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