In the Kansai region, fugu is called 'teppo' (literally, a gun) or 'tetsu' for short, as the sounds for the Japanese words for "getting shot" and "being poisoned by pufferfish poison" are the same.
関西では、フグの持つ毒で当たることを転じて「テッポウ」（鉄砲）、これを短くした「テツ」と呼ぶ。