'Ne'er-do-well' definitions:

Definition of 'ne'er-do-well'

(from WordNet)
noun
An idle worthless person [syn: goldbrick, goof-off, ne'er-do-well, good-for-nothing, no-account, good- for-naught]

Definition of 'Ne'er-do-well'

From: GCIDE
  • Ne'er-do-well \Ne'er"-do-well`\, n. A person who never does, or fares, well; a good for nothing. [Webster 1913 Suppl.]
  • The idle and dissolute ne'er-do-wells of their communities. --Harper's Mag. [Webster 1913 Suppl.]