shilly-shally

shilly-shally \SHIL-ee-shal-ee\, verb:

1. to show indecision or hesitation; be irresolute; vacillate.
2. to waste time; dawdle.

noun:
1. irresolution; indecision; vacillation: It was sheer shilly-shally on his part.

adjective:
1. irresolute; undecided; vacillating.

Great mistake—Make up your mind and don't shilly shally.
-- Agatha Christie, A Caribbean Mystery, 1964

But look, Your Highness, I didn't come to shilly-shally, so don't say anything to inhibit her. I want it straight.
-- Saul Bellow, Henderon the Rain King, 1959

In the great tradition of reduplicating a phrase to infuse it with a dose of levity, shilly-shally comes from the phrase "shall I, shall I." When shilly-shally first entered English at the turn of the eighteenth century, it was spelled "shill I, shall I."