noun
One who or that which oils.
(nautical) An oil tanker.
Synonym of oilcan.
Synonym of oil well.
(informal) An oilskin coat.
(US, ethnic slur) A Mexican.
(slang, derogatory) A sycophant, which is someone who is oily (smarmy).
(slang) A heavy drinker; especially, an alcoholic.