The ability to
generate from within oneself acid and release them from the mouth. Sub-power of Acid Attacks. Variation of Elemental Breath and Biological Breath.
The user is able to generate and manipulate acid within them in a way that allows them to shape the exhaling of the effect. These shapes can include bursts, streams, spheres, even a mist of it from the mouth.
For fan-fictional to non-canon characters, see
Yagdra (Starcraft) a worm who's acid burns like fire.
Scabbar Demons (Charmed) shooting acid from their mouths
Mei Terumī (Naruto) using
Lava Style: Lava Monster Jutsu/Lava Release: Melting Apparition Technique to create a strong acidic mud flow.
Weepinbell (Pokémon Adventures) using
Gastro Acid to nullify Lickilicky's ability.
Acid Breath (Ben 10 Series) can breathe acid in either a liquid or gaseous form.
A Dilophosaurus (Jurassic Park) prepares to spit in Nedry's face
Man-Spider (Spider-Man: The Animated Series) attacks the Punisher with acid spit.
As its normally part of their physiology power sets, Sliths (Unreal Series) can spit acidic goop at their enemies.