Trubbish is a bipedal Pokémon that resembles a small garbage bag overflowing with trash. Its body is dark green and lumpy. It has two long ear-like appendages atop its head that resemble the knot at the top of a filled garbage bag. It has two small stubby feet. On either side of its body it has a slimy grayish appendage that resembles garbage leaking out from inside. It has large round eyes and a frowning mouth with sharp teeth seen protruding from its upper jaw.