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 November 13, 2011
Get the Niagara Ballsmug. When you pull up on a girl in a red Ryder wagon listening to what does the fox say. You will have such clout and be so sexy she will be wet as Niagara Falls. You should also flex your tiny pp.
by Sweatycheesyballsack September 24, 2020
Get the Got me like Niagara Fallsmug. No, not the mountain. I’m talking about when a girl gets up after sitting for a while or moves around a bit too much on their period and BOOM gush of blood.
by aboomdalacaca April 29, 2022
Get the Niagara Fallsmug.