The Collaborative International Dictionary of English v.0.48:
fare-thee-well \fare-thee-well\ n. state of perfection; the utmost degree; as, they polished the furniture to a fare-thee-well. [WordNet 1.5]WordNet (r) 3.0 (2006):
fare-thee-well n 1: state of perfection; the utmost degree; "they polished the furniture to a fare-thee-well"