cari istilah yang lo mau, kaya' slope:
 
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)
dari Michael Carrier Selasa, 27 Juli 2004
 
1.
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.
dari Tolley Rabu, 27 Agustus 2003
 
2.
What I get when I see Nicole Kidman on TV
I pop an Insta-bone whenever I watch Eyes Wide Shut
dari Dave Rabu, 17 Desember 2003