battery acid

/ˈbætəri ˌæsɪd/
adjective
  1. Extremely sour or acidic in taste, like battery acid.
    • These pickles are battery-acid strong; I can barely eat them.
    • The lemonade was so sour it tasted battery-acid.
    • He made a face after drinking the battery-acid coffee.
  2. Very harsh, bitter, or critical in tone or manner.
    • He gave me a battery-acid look that said he was furious.
    • The critic's review was battery-acid, tearing the movie apart.
    • Her battery-acid comments made everyone in the room uncomfortable.
What does "battery acid" mean? | whatsthatwordmean | whatsthatwordmean