Something Mr. Claus gets when he looks at a certain student ;) and also something Mr. Campbell gets during every class he has
"God damn Lexi, you gave Mr. Claus such a boner today!
by Ooo la la! June 26, 2016

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when a guy sees something he finds sexually stimulating and makes his penis become hard and he wants to fuck whatever it is
Jack: Yo you got a boner dude!

John: I know. That watermelon over there is pretty sexy
Jack: ...
by Marley :) June 24, 2017

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Another word for erection
I sat in class bored
I started thinking about my crush and got a boner. I tried hiding it by sliding it under the desk but felt pleasure when I did that. I took out my big boner and slid it under the desk again and bit my lip. My teacher looked at me weirdly and went back to his work. I went faster n moaned quietly. There were so many waves of pleasure going thru me right now. I moaned loudly as the class looked at me with wide eyes when they saw all my cum on the desk and my penis.
by mlpgod June 09, 2017

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When the blood rushes to your penis and makes it hard
Dude when I near her a got a huge boner
by Hayman6969 March 28, 2017

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A hardening of the penis when sexually aroused, if this occurs u must stick it in a vagina until it sneezes out milk
My boner hurts.
by Hortonhearskeem February 28, 2017

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1. an erection (the state of the penis sticking out and becoming hard). A boner can be caused by blood streaming in the penis.
2. a careless mistake
I was embarrassed when I had a boner during my interview,
by KyleTheChoux May 17, 2015

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Adj. Hot, sexy, fine, bodacious
Damn, Megan Fox looked so boner in Transformers.

She looks totally boner even after giving birth.
by Beastboy22 September 20, 2013

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