Niagara Falls

The act of ejaculating inside a girls vagina or asshole and watching as it FALLS out.

I love when I Niagara Falls my girl.

by Ripp $tarr September 24, 2011

Niagara Shits

When a male shits into a female's neck and it falls down her cleavage resembling a waterfall.

Person 1: YO I GAVE THIS NASTY BITCH A HUGE NIAGARA SHITS LAST NIGHT!!

Person 2: oh shit you lucky basterd

Person 1: THE BEST PART WAS I TOOK ABOUT 8 LAXATIVES THAT AFTERNOON

by THE ASS FUCKER July 25, 2010

Niagara Falls

When a girl is extremely aroused and gets dripping wet down there in response.

I was talking dirty to my girlfriend and it was like Niagara Falls in her panties.

by AnonJudicator October 28, 2009

Niagara Falls

New World Rhyming Slang for Balls ie testicles.

"I can get up mate. That block just clocked me square in the Niagaras"

by Ginger Binger October 22, 2003

Niagara Falls

Its what you call when you just keep cummin and cummin and cummin

What the hell boy? It's like Niagra Falls comin' out cho' thang!

by fdgg December 11, 2003

Niagara Falls

When a guy is in the process of receiving fellatio and upon climax, ejaculates an excessively large amount of semen upon his partner's face or into their mouth.

Dude, I totally went all Niagara Falls on her face last night!

by SanDiabloBasket September 24, 2010

Niagara Balls

The process of two men ejaculating into a diseased females nose, henceforth an aCUMmulation of semen and phlegm rush out the the nasal canal.

“Gimme them niagara balls daddy”

by TheAguirres March 8, 2019