The call of the 'chupacu' echoes through the bustling streets of Rio as a horny Brazilian stud prowls for fresh meat on Grindr. With a click and a swipe, he arranges a quickie in a seedy motel room. The scent of leather and sweat mingles as he strips down to his jockstrap, flexing his muscles for the camera, ready to indulge in a night of raw, uninhibited passion with a stranger who appreciates a good 'cunete' grind.