When someone is so Disneyhorny that it becomes noticeable. If the person has too big of Disney Boner it can become embarrassing, since they should probably not love Disneyland as an adult.
I have the biggest Disney Boner right now. I hope no one sees it.
by angstd April 17, 2009
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(n.) The specific sort of erection brought on by the viewing of a picture or video of a former Disney Channel star scantly clad or naked.
Christie Carlson Romano in Mirrors 2.

Guy 1: Is that Ren Stevens?

Guy 2: Holy shit! It is! I've got a Disney Channel Original Boner!

Guy 1: I'd high five you right now, but I've got one too.
by TerminalLance1371 January 27, 2012
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