ˈshilly-ˌshallyer [f.prec.vb. + -er1.] One who shilly-shallies. 1832J. Wilson Noctes Ambr. in Blackw. Mag. Apr. 697 Silly shallow shilly-shallyers.1835Southey Doctor cv. (1848) 243 He was no shillishallier.1848Thackeray Contrib. to PunchWks. 1886 XXIV. 187 Shilly-shallyers are cowards.