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)
di Michael Carrier 27 luglio 2004
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.
di Tolley 27 agosto 2003
What I get when I see Nicole Kidman on TV
I pop an Insta-bone whenever I watch Eyes Wide Shut
di Dave 17 dicembre 2003

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