Glad to know I wasn't the only one to do something so foolish. In fact, have a look at some urban dictionary terms
Cayenne Fire Ring:
A condition of the anus encountered after the consumption of extremely spicey foods. Generally induced from cayenne, habanero and jalepeno peppered snacks and mixes. Condition does not occur until defecation afterwhich the anus will burn for minutes or up to a half hour or more depending on digestive system tolerance. Recommended treatments include ice cubes, medicated pads and rags with witch hazel, creams, ointments, and salves.
Daedalus Attack:
When you anally fist a woman holding a handful of cayenne pepper and open your fist, releasing the cayenne pepper into her anus.
Georgia Fire Ant:
When a female applies cayenne pepper to the male's penis and then he sticks his penis in her ass and she shits a big pile like a fire ant mound.
Rusty Smoothie:
A sexual maneuver involving the prior eating of cayenne pepper and laxative laden foods, in order to release the bowels into a suspecting sexual partner's face.
and my personal favorite...
Cajun Doorbell:
When a man, while having sexual intercourse with a woman from behind, licks his finger, dips it into cayenne pepper and then inserts it into the woman's anus. Often done by surprise.