When it looks like you have a boner, but it's really just the zipper of your pants folding up. Occurs in jeans, cackys, etc.
"Why does Jim have a huge hard-on during a business meeting?"
"Nah, I think that's just ghost bulge."
"Nah, I think that's just ghost bulge."
by Daaaaaaaawg May 2, 2010
Get the Ghost Bulgemug.