Fire Down Below 

A descriptive meaning horny, hot and bothered, ready to go (sex). The term comes from the warmth given off by female (and male) genitailia when they are in a heightened state of sexual arousal.

"How was your date?"

"Awesome, dude! She had the fire down below, so we didn't stay long at the bar!"

Fire Down Below by -E1 August 10, 2008

Fire Down Below 

A term for cystitis, an inflammation of the bladder causing a buring sensation and painful urination. May be caused by vigorous and/or frequent sex. Or not knowing how to wipe your arse properly.

"Why are you looking so unhappy?"
"I have fire down below."

Fire Down Below by Silverfin September 17, 2006

Fire Down Below 

A phrase used for a uncommon sexual manuever. "Fire Down Below" is accomplished only by setting a females pubic area on fire, and then extinguishing the flames with your own semen.

"Yeah, she wanted to get kinky, so I pulled out the Zippo, lit her shit on fire, then put it out with my cum. Perfect execution man."

Fire Down Below by John Boy December 23, 2003