Abstract: A urinal is provided which includes an elongated container having concave sides that conform to the general shape of the user's thighs. The container includes a frontal orifice for receiving the male organ of the user and an internal tube, which slants downward from the frontal orifice, which serves to prevent spillage. The container also includes an outflow pipe and an associated valve used to empty the container. An undersheet is detachably secured to the bottom of the container and extends rearward of the container and outboard of the sides thereof, under the legs of the user, so as to secure the container in place while in use.