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1.
Psychologically induced, irrational fear of the penis!
he unzipped his jeans to take out his penis but she had penisphobia so she ran away screaming.
by lynz[ee] June 13, 2006
 
2.
Having the fright of penises.
Boy: Wanna bang?
Girl: Sorry, I have a case of penisphobia.
by LeedlePants February 26, 2014
 
3.
The Act of being scared of big dicks.
She met a black guy,now she has "penis Phobia"
by Dustin Cutter December 27, 2008