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1.
fear of having an erect penis
the guys that are complete horndogs should have medorthophobia.
by EvlBloodyMary November 05, 2003
 
2.
The fear of an erect penis.
If you're a guy and you have medorthophobia, you're screwed.
by Cinderpelt April 04, 2009
 
3.
Fear of an erect penis. not to be confused with medomalacuphobia- fear of losing an erection.
Chris: I do not have medorthophobia, as I am a homosexual.
Sean: Okay...
by Sean Mooney November 10, 2006
 
4.
the fear of being reamed when you're on a chair
cam was standing next to me when I was on the chair and my medorthophobia kicked in
by sweatyphillips October 03, 2005