The cheesy white substance that accumulates
Between the vaginal folds. However, depending on one's bathing habits, the substance has the potential to be variations of white and or consistency.
"Oh my god...that vag is so rank she's got crotch grits"
The act of holding in your poop for an extended period of time allowing it to slowly "stew" inside...
Man that was a big crock pot poop I just had!!! I've been holding that in all day!!!