From Longman Dictionary of Contemporary Englishwell-oiledˌwell-ˈoiled adjective → a well-oiled machine
Examples from the Corpus
well-oiled• But there was nothing laconic about his mind, which was known to tick over like a well-oiled clock.• A whitewashed verandah contained bags of wheat and well-oiled harnesses.• The heavy ornate kitchen door swung silently open on well-oiled hinges.• This could never happen in the Bush operation, which has been turning out policy positions like a well-oiled machine.• He was a handsome young guy with a head of well-oiled reddish hair.• He might say Don't you think having a well-oiled rifle is more important?• You must also buy three large tubes of silicone and a well-oiled silicone gun. 