Exploud is a large blue bipedal Pokémon with a large mouth. It has two peg-like teeth on each jaw. It has protruding tubes with holes along its body: seven along the crest on its head, four on its elbows and knees, two along its back, and two on the end of its two tails. These holes serve to suck in air to increase its noise-based attacks and to make noise itself. The holes along its head-crest and tails are tipped with yellow, and the holes along its back have yellow semicircular patterns at the sides. Its red eyes also add on to its look of intimidation. There is a semicircle on its belly, which is rarely seen due to its giant mouth. Its arms have three thin stripes below its elbow and three fingers. Each foot has four claws, three in the front and one in the back, and a yellow paw pad.
Exploud's bellowing is capable of triggering earthquakes and can be heard from over six miles away. It only raises its voice when it is in battle. It communicates its feelings to others by producing whistle-like sounds. It lives in caves.