A dog drinking device has a trapezoidal water container with a top cover. A rotatable round drum made of plastic or stainless steel is rotatably mounted in the water container. A plurality of transverse grooves formed on the round surface of the drum. A top portion the round surface of the drum is exposed through a rectangular access opening of the cover. A long ear dog may drink the water by standing at the narrower front end of the device with its ears falling on the outside of two forward converging sides of the trapezoidal shape water container and licking the water carried to the exposed round surface of the drum by the transverse grooves without water splashing on its face and floor area around the device or to its ears to cause potential ear infection.