Top definition
When a girl does something or sees something that makes her vagina get extremely wet
Chris: Madi, why do you look like you peed your pants?

Madi: Well you walked into the room and I got Niagara Falls Syndrome!

Chris: That happens all the time!
by Mizfku December 14, 2010
Get the merch
Get the Niagara Falls Syndrome neck gaiter and mug.
Jul 6 Word of the Day
Phrase meaning that a deceased cannot rest in peace until society changes due to the circumstances of a death.
People said rest in power for the unarmed man had been shot by the police.
by FooBarBiz October 12, 2017
Get the merch
Get the Rest in power neck gaiter and mug.