dil ‧ ly-dal ‧ ly /ˈdɪli ˌdæli/ BrE AmE verb ( past tense and past participle dilly-dallied , present participle dilly-dallying , third person singular dilly-dallies ) [intransitive]
[ Date: 1700-1800 ; Origin: dally ]
to waste time, because you cannot decide about something:
Don’t dilly-dally, just get on with it!