acid - any of various water-soluble compounds having a sour taste and capable of turning litmus red and reacting with a base to form a salt

atomic number 16, sulfur, sulphur, S - an abundant tasteless odorless multivalent nonmetallic element; best known in yellow crystals; occurs in many sulphide and sulphate minerals and even in native form (especially in volcanic regions)

battery acid, electrolyte acid - dilute sulfuric acid used in storage batteries

contumely, insult, revilement, vilification, abuse - a rude expression intended to offend or hurt; "when a student made a stupid mistake he spared them no abuse"; "they yelled insults at the visiting team"

subject - cause to experience or suffer or make liable or vulnerable to; "He subjected me to his awful poetry"; "The sergeant subjected the new recruits to many drills"; "People in Chernobyl were subjected to radiation"

lash out, attack, snipe, assail, assault, round - attack in speech or writing; "The editors of the left-leaning paper attacked the new House Speaker"