The bulge formed in a
man's genital area, caused by sitting down with
jeans. The zipper bunches up, forming an
erection like bulge, which can scare and excite all who are there to witness it.
"FUCK, IT'S JUST CAREERS CLASS DON'T GET ALL EXCITED ON ME"
"Calm down
man, it's just a zipperection."
"Oh.
Haha, it's pretty
funny."