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Dennis O'neil

THe coolest teacher in the universe. So awesome that 1/3 of his class dressed as him on a friday. Sometimes he will give us goldfish. He is the greatest Social studies teacher. He always has his pocket constitution and volleyball rulebook.
He is so cool, he must be a Dennis O'neil.
by Coolguy_27 November 1, 2019
mugGet the Dennis O'neilmug.

O'Neil

by -not oneil November 22, 2021
mugGet the O'Neilmug.

Alexandra O'Neil

The hottest and most beautiful girl I've ever met and who I love very much.
You're just so great Alexandra O'Neil!
by JackMehoff69420 February 15, 2025
mugGet the Alexandra O'Neilmug.

O'neill

A try hard, someone with all the gear and no idea.

A bald headed man with glasses who has is an interest in aqautics - he wears a full O'neill wetsuit to the beach.

Some may call me an O'neill for trying so hard to write this definition.
"He's such an O'neill"
by O'neill detective January 9, 2025
mugGet the O'neillmug.

ash o'neil

ash is a slurry
by luke November 19, 2003
mugGet the ash o'neilmug.

Robert O'Neill

The first time having sex with your girlfriend. You have meticulously planned every part of the event down to the most minute detail. It finally happens and it is executed with perfection, though your mind was hazy, and all you know is that it ended with a head shot.
I finally had sex with Trudie last night. It ended up being a Robert O'Neill, but it was great and I can't wait to do it again.
by Scotty Nice December 11, 2019
mugGet the Robert O'Neillmug.

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