Simple past tense and past participle of vitriol.(verb)
Wiktionary.org : Text is available under the Creative Commons Attribution-ShareAlike License
Use "vitrioled" in a sentence
"One saw there smudgy illustrated sheets, the Police News in particular, in which vilely drawn pictures brought home to the dullest intelligence an interminable succession of squalid crimes, women murdered and put into boxes, buried under floors, old men bludgeoned at midnight by robbers, people thrust suddenly out of trains, happy lovers shot, vitrioled and so forth by rivals."
"Of all the bands that have been stolen, and all the people that have been blown up, and scorched and vitrioled, and shot at, and shot, by Union men, did ever you and your bobbies nail a single malefactor? ""