1 definition by phantomimposter

A clumpy fold in your pants that looks like an erected penis.

Origin:
Anthony Padilla from Smosh mentioned having a ghost penis in his video "the gym hates me".
"I hate when I have a ghost penis lump and it gets more awkward when a hot girl notices it and starts chuckling..."
by phantomimposter March 7, 2013
Get the Ghost Penis mug.