Swamp Notch

When poor hygene, and / or prolonged physical activity (sometimes combined with particular clothing that doesn't let skin breathe) develop a sometimes waxy or cheesy build-up in the vagina lips. In the same boat as "swamp ass", but can give you the rotten / fishy-swampstache if your mouth dares to venture near.

After a serious workout at the gym, she was sporting a hearty crotch soup of back and front-door taint mixed with sweat, giving her swamp notch.