The Vagina; usually already pre-stuffed.
"Excuse me, ma'am. I need to search your cunt pocket before you board the plane."
While enjoying your bareback, doggie style entertainment, you lean over to your partner's ear and whisper "I have aids" or "I have _____." It can be anything really, as long as you make them buck.
8 Minutes and you win.
Remember, I said bareback.
"I only lasted two minutes into my Texan Rodeo! Bitch bucked me off quicker than her gynecologist."