-verb (used without object)
1. to show indecision or hesitation; be irresolute; vacillate
2. to waste time; dawdle
3. irresolution; indecision; vacillation
4. irresolute; undecided; vacillating
"My girlfriend said I can't shilly-shally about our future together. Why would she think I was dancing about our relationship?"
"Congress seems to be stuck in permanent shilly-shally these days."
Origin: (from etymonline.com)"'to vacillate,' 1782, from adverbial expression to stand shilly-shally (1703), earlier shill I, shall I (1700), a fanciful reduplication of shall I? (cf. wishy-washy, dilly-dally, etc.). From 1734 as an adjective, by 1755 as a noun."