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."