snatch rash 

Any change of the skin on or around the vagina which affects its color, appearance, or texture.

Your mom had some serious snatch rash last night

snatch rash by termiteboy December 6, 2014

Rashy Snatch 

adj; 1. A red, itchy rash that accumulates in the genitaliaregion, both men and women although, it is more common for women.

James: God, I'm so uncomfortable right now.

Anyone: It's probably due to that nasty Rashy Snatch.

Rashy Snatch by A.J.B. February 19, 2011