The act of engaging in any illegal, immoral or indecent behavior in a closet or wardrobe. Most often used to describe reckless, impetuous, often drunken and unprotected sexual intercourse in any area with extrememly restrictive/limited space or a configuration not conducive to carnal activity.
You missed it last night Jimbo - it was kickin' off in Narnia! I had Jeana bent over in her mom's fuckin' broom closet. If she's walking normal today, it will be a miracle.