The crossword solution for the term LIKE A SLICK is OILY, which is a four-letter word. OILY is an adjective that describes something that is covered in or made up of oil, or something that has a smooth and slippery surface. It is often used to describe someone who is very skilled at manipulating people or situations in order to get what they want. This term is often used to describe someone who is very persuasive or cunning.