Someone who is hopelessly and madly in love with HIS hot mama.
Pattie ohned John. Leave no doubt about it. He was toast in her arms.
by Bodacious John October 23, 2005
acronym for "Oh hell no!", which is properly used when someone does something so offensive, insane, or inappropriate that you must voice your disapproval.
Lu: "I told her I couldn't go to the baby shower because my aunt was in the hospital, and she said 'Sorry you'll miss it,' and reminded me where I could send the present."

Me: OHN! What a bitch!
by Mary Low August 06, 2008

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