Oneil is a variation of Irish name O'neill.

It translates as the Son Of Neil.

Neil = Champion therefore Oneil means Son of the Champion
You see that guy over there?
His ancestors were champions, thats why he is called Oneil.
by oneil9 January 19, 2013
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Oneil or fully Oneilles (Persian: آنیلیس or آنیل ) is a Afghan name which directly descends from the Greek Mythology of Trojan War. It is an Afghan-Persian mispronunciation of Achilles, the tragic hero of the Trojan War.
Oneilles is a tall and handsome boy from Afghanistan
by ecletio January 22, 2013
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If your first or last name is Oneil you are a tall athletic handsome and destined to go pro in ether football or basketball. You can also get any female you want but decide to focus on your goals instead. Oneils also are hard working and determined.
That mans so athletic I bet his names Oneil
by menieil November 10, 2021
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Emmaoneill is a wonderful amazing girl and she is found to be one of the most nicest friend you could ever have she loves to dance on a daily basis and she is a very loyal friend
Emma oneill loves boys and would like to get three dogs when she grows up
by Ben Darrel February 23, 2017
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1. a person who sleeps around slut
2. a person who seeks social acceptance through jokes
3. someone who is smart, pretty, but non-athletic
that girl got a perfect score on the SAT's and she's so pretty but she doesnt play any sports.. what a molly oneil.

A: did you hear emily makeing those dumb jokes this morning? i was going to HURL
B: i know she was being such a molly oneil
by Colleen Yergacheffe May 7, 2006
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The act of snorting 2 8balls of coke out of the butthole of another man while stroking your cock at the same time
Dude my retard friend just performed a Jeff Oneill on Theresa
by Jeffeyrydell May 4, 2019
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A big busty pornstar with lots to offer (Have school tomorrow hehe xx sc is Saaraahh_oneill
I’m a big stupid Sarah Oneill
by Sarah Oneill January 24, 2019
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