shilly-shally (v.) Look up shilly-shally at Dictionary.com
"to vacillate," 1782, from adverbial expression to stand shilly-shally (1703), earlier shill I, shall I (1700), a fanciful reduplication of shall I? (compare wishy-washy, dilly-dally, etc.). From 1734 as an adjective, by 1755 as a noun. Related: Shilly-shallying (1816).