The Collaborative International Dictionary
tille-fally
Tilly-vally \Til"ly-val`ly\, 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 impertinent. [Written also tille-vally,
tilly-fally, tille-fally, and otherwise.]
--Shak.