Person without any money of their own.
He looks rich but it's all borrowed and his bank account is nil, he's a nillionaire.

Everything's in his wife's name, he's just a nillionaire.
by Sirann September 10, 2007
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Person without any money of their own.
He looks rich but it's all borrowed and his bank account is nil, he's a nillionaire.

Everything's in his wife's name, he's just a nillionaire.
by SirAnn August 31, 2007
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a Nillionaire is a college athlete that made a boatload of money from Name-Image-Likeness (NIL) deals and endorsements.
Thanks to the Supreme Court ruling, high school football players are already becoming Nillionaires through deals with NIL collectives.
by Mac1105 August 16, 2022
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/nɪljəˈnɛ /

A person that acts like they have a lot of money but really they are broke.
"He's always posting pictures of designer products on his Instagram like he's rich or something but he hardly has a penny to his name. The guy is a nillionaire."
by Matt Windle poet October 11, 2020
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A better misspelling of nillionaire than nillionare, yet still so very, very wrong.
Fred: I spent my last penny today so I'm declaring myself a nillionair.

Ginger: Don't you mean nillionare?

Dr Nillionsworth: No, I've told you a nillion times, it's nillionaire. I'm going to have to down-vote you two ignorami.

Fred (with a WTF expression): Who's he?

Ginger: I don't know. I've never seen him before in my life. Come on, let's spend all my money and I can be a nillionayr just like you.

Dr Nillionsworth: No, no, that's not it!
by Dr Nillionsworth December 2, 2013
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A person with no money that is theirs of their use
Guy1: you you got some money?

Guy2: Nah I’m a Nillionaire
by Onceplus April 8, 2023
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