court holy water

noun1

1. •
   (no longer used) Pleasant but empty words, insincere promises or flattery.

   • O Nunkle, Court holy‐water in a dry house, is better then this Rain‐water out o’doore. Good Nunkle, in, aske thy Daughters blessing, heere’s a night pitties neither Wisemen, nor Fooles. — 1603