Shilly-shally

n. [A reduplication of shall I; i. e., shall I, or shall I not?] Foolish trifling; irresolution. [Vulgar.] She lost not one of her forty-five minutes in picking and choosing—no shilly-shally in Kate. De Quincey.

adv. In an irresolute or undecided manner; in a hesitating manner.

I am somewhat dainty in making a resolution, because when I make it, I keep it; I don't stand shill-I-shall-I then: if I say 't, I'll do 't. Congreve.