When something is really hot or cool.
The Ferrari 575M Maranello is hot niss.

"Yo i just got a million dollars"
"Hot niss"
by Guinzo March 31, 2003
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Nissing is the act of both nutting and pissing at the same time.
after their passionate embrace, he started Nissing everywhere.
by Soulless666 November 18, 2021
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A homeless swedish man with a massive fentanyl addiction. His fentanyl addiction is getting out of hand and he has been arrested on multiple occasions of drug possesion and domestic violence.
Nisse just put 2 kg of cocaine in the blender, again
by Balle mannen October 18, 2022
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When gnome like traits are thrust upon you from gardening too much.
I don't know Frank, I guess a little gnome(niss) has rubbed off on me.
by Cat on the Hat February 27, 2011
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Bro is the king of niss, he has 99% rejection rate.
by Gladiatortr December 15, 2022
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A casual slang term used to describe a slightly below averaged penis. Non-sexual.
"My niss has been tangled up all day."
by OstrichPhilosopher June 4, 2021
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When you Nut and Pee and the same time
Dang I just nissed
by My Ass Smells Like Kim K December 12, 2016
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