Crotch-Crop

When you use a messenger app (iMessage, Tinder, etc), and only men fill up your message feed.

"Did you see how hot that chick was? I'm sure she has a nice crotch-crop growing on her Facebook Messenger!"

Crotch Crop

In other simple terms it is your pubic hairs near your reproductive system

“Oh dude ...I gotta shave my crotch crop !”