1. sarcastic: very sarcastic and intended to mock, offend, or belittle somebody
2. corrosive: corrosive or burning by chemical action
noun (pluralcaus·tics)
Definition:
1. substance that corrodes: a substance that can corrode or burn away other substances by chemical action, especially a strong alkali
2. curve formed by reflections: a peaked curve formed on a plane by parallel light rays reflected or refracted from a cylindrical or spherical surface. Caustics can sometimes be seen on the surface of drinks in glazed mugs or cups, or on the base of the mug or cup when empty.
