Top definition
The state in which a sudden and immediate erection arises, so unexpectedly and quickly that chodal whiplash is not uncommon
Boy 1: Dude, how'd you break your nose?
Boy 2: I saw Ellen Henson, damn that woman is so hot that I got a massive insta-bone and it sprung up right in my face.
by Tolley August 27, 2003
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Dirty Sanchez Plush

It does not matter how you do it. It's a Fecal Mustache.

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2
What I get when I see Nicole Kidman on TV
I pop an Insta-bone whenever I watch Eyes Wide Shut
by Dave December 17, 2003
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Cleveland Steamer Plush

The vengeful act of crapping on a lover's chest while they sleep.

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3
1) A word for a phenomonally hot male

2)A word for the feeling you get when you see the aforementioned male.

3)A comical sighting of a male erection at an inopportune time.
Holy crap look at that instabone!

Todd gave me an instabone (female saying this)
by Michael Carrier July 27, 2004
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Donkey Punch Plush

10" high plush doll.

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