One of the innerward folds that make up the sphincter.

Depending on your diet and BM Habits, you may piss off one of these little guys and they will retaliate by becoming Inflamed Hemorrhoids.

At this stage they are susceptible to pop, with little warning. Like a land mine these bad boys can go off at the drop of a dime or a loud fart, leading to severe bleeding and anal leakage. also, if not washed properly they are the main culprit of the common conditions known as
"Itchy Asshole"
and "Stink Finger".

When the arousal becomes so intense that the girl's bottom lip begins to quiver

Big boobs that are barely big enough to fit in a toilet.

another name for girls vagina

Having a pleasurable feeling in your asshole after gay sex.

That tingling feeling women get when they kiss somebody hott or watch porn

Performing felatio with ice in your mouth.