It is what the woman must do sometime after pooping in order to next make herself presentable for sex by taking a shower.
Cleansing the Palate: after eating spicy Mexican food all night, Sally had to cleanse the palate before her boyfriend came over for a booty call.
The state of being of a girl’s butt after she has pooped. It is to be avoided until she Cleansed the Palate.
After a night of eating Chinese food, Sally had poopy butt. Her boyfriend refused to have sex with her until she Cleansed the Palate.