D defs.my
Entry 1 sense Webster, 1913

Tilly-vally

· Til·ly-val·ly · IPA
01 interj., adv., [or] a. A word of unknown origin and signification, formerly used as expressive of contempt, or when anything said was rejected as trifling or impe…
  1. 1.
    A word of unknown origin and signification, formerly used as expressive of contempt, or when anything said was rejected as trifling or impertinent.