The act of having sex as relating to a chicken dinner.
"One piece" referring to a single piece of meat (e.g. the male penis) and "no biscuit" signifying that there was no other sides included in this combo platter.
Yo I took that chick out last night and gave her the one piece no biscuit.
meaning: the signature firearm in a gangbanger's collection of firearms. typically, the jesus piece is a high caliber handgun adorned with engraving, encrusted jewels, or other decorations.
i was rollin wit da jesus piece up under da car seat.