Abstract: An electrically-energizable tongue-engagable body decorative device for display in the mouth of a wearer may include an electrically energizable cap having a pair of housing portions being releasably attachable; and means for sealing together the housing portions in a liquid tight manner. There may be at least one electrically energizable component disposed within the housing portions for producing an aesthetically pleasing effect and battery means mounted within the housing portions for energizing the component when connected via a circuit thereto. Means may be provided for securing the electrically energizable cap removably from the tongue of the wearer. Also provided is a method for adorning a wearer with an aesthetically pleasing decorative ornamental device including securing an electrically-energizable tongue-engagable body decorative device to the tongue of the wearer and electrically energizing the device.