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O’Neill is always a name given to the best people. They are talented, smart, athletic and good at anything. They are in general great
Person: hey it’s O’Neill
Person 2: How he really is great
by Chrisfrnz67 July 13, 2018
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Nov 27 Word of the Day
A stupid person; it refers to the lack of surface area on an individual's brain. The general thought is that the more surface area (wrinkles, creases, etc.) a brain has, the smarter the person is. Conversely, a person with a smooth brain (no wrinkles) has less surface area and would therefore be stupid.
That fucking smooth brain put his shirt on backwards again...

That smooth brain is dumber than a pile of shit.
by Tip Tank May 14, 2011
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Sweet,loving,funny,and a very good boyfriend.He is usullay very tall and a cute boy. He is flirty with a lot of girls but he’s usually more flirty to his girl. He very athletic. He is also very caring friend. If you find a O’Neill you are a lucky one.
I need a guy like O’Neill
by mcscott December 01, 2018
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3
A commonly used named for a janitor or custodian.
Awww shit, the trash needs to be taken out... call in O’neill
by Nicebutts12 February 28, 2019
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