Synonyms for Dilly-dallyers:

n.

•idlers (noun)
panhandlers, bums, wastrels, beggars, slouches, good-for-nothings, lingerers, lazybones, Hoboes, idlers, loafers, goof-offs, slackers, loiterers, moochers, mendicants, mooches, clock watchers, slouchers, mopes, scroungers, drones, vagrants, layabouts, freeloaders, slowpokes, dawdlers, couch potatoes, tramps, lounge lizards, ne'er-do-wells, spongers, goldbricks.