Shill-I-shall-I \Shill"-I-shall`-I\, Shilly-shally \Shil"ly-shal`ly\, adv. [A reduplication of shall I.] In an irresolute, undecided, or 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.