insta-boner

When Dylan saw that picture of a naked man, he got an "insta-boner"
by Alex M October 31, 2006
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Insta-boner

Something/someone/ some action so intensely attractive the viewer immediately has an erection.
dude, when i saw that picture i got a mega Insta-boner
by uhohspgettioh March 11, 2009
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Insta-boner

A stiffy obtained merely from seeing a bangin chick.
Phil: "Dude, Denise gave me such an insta-boner last night!"
Connor: "Dude thats my mom!"
by Aakash P December 22, 2011
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Insta-Boner

Something EXTREMELY that gives guys boners the second they see it.
"We're so hot, we're totally insta-boners."

"Dude, have you seen Taylor? She's a total insta-boner."
by dianaandsavvy November 30, 2012
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Insta boner

The boner you get immediately after someone or something turns you on
Girl: Hey, I just want to say that I like you
Boy: You do?
Girl: Yes I do... wait what’s that on your pants?
Boy: Oh sorry that’s just my insta boner
by AwwYeaGuurrll May 23, 2019
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Insta-boner

When you get turned on so fast that your dick gets hard quicker than it can rearrange itself in your pants. Usually requires manual adjustment and is accompanied by drool and the inability to make rational decisions as lack of blood leaves your brain in a stupor.
Friend: “yo! Dude! Fix yourself! You got an insta-boner.”
Me: *babbles incoherently*
Friend: “Emily walked by, didn’t she?”
Me: “random jibberish* *fixes junk*
by Fetch Stick August 25, 2018
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Insta-boner

When you get hard instantly. There us no gradual hardening. Instantaneous hardening. (usually rips pants)
Dude! She was so hot she gave me an insta-boner!
by Dick Guzzler March 19, 2016
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