Top Definition
Used to describe an erection that you get from something that you never expected would give you an erection. Puts an official name to the infamous "surprise" boner.

Alternate definition: An erection that one WILL receive while watching Apollo Anton Ohno speed skate; it's inevitable.
"It was the weirdest thing. I went to flip the light switch and the static shock gave me a raging Oh-Noner. I had no idea I was even into that stuff!"
by Gorky's Zygotic Glove Puppet January 23, 2014

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