tilly-vally

exclamation1

1. •
   (no longer used) Expressing contempt, or rejecting anything trifling or impertinent.

   • Sir Toby Belch: My lady's a Cataian, we are politicians, Malvolio's a Peg-a-Ramsey, and 'Three merry men be we.' Am not I consanguineous? am I not of her blood? Tillyvally. Lady! — 1601