When you think you see a hot girl far away, but as you get closer you realize she is not hot at all. It's like a mirage for your boner.
John: Oh man that girl looks so hot... I'm about to pop a huge boner..

two minutes pass and they get closer.

Bob: Ew, dude, she's actually really ugly.. Bonerage..
by LucasAT February 4, 2006
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someone who is so gorgeous u get a boner but their age or gender comprimises with ur sexuality or religious beliefs.
jackson: omg shes incredible i think i just got hard
amy: thanx for telling me, ur gf, about some chick u think is boneragable.
by samuel adams February 18, 2005
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