oiled adjective 2forms 2phrases 2 adjective2 •Covered in, or supplied with, oil.a person's oiled body •(slang) Drunk. Usually in conjunction with an adverb of degree.I got well oiled last night. formsmore oiled · most oiled Phrases with oiled well-oiledWell-run; smoothrunning; efficiently run. well-oiled machineSomething that operates capably through the effective coordination of many parts.