The term 'Slinky, E.G.' is a reference to the classic TOY of the same name. The crossword solutions for this term are COIL (4 letters), TOY (3 letters), and COILSPRING (10 letters). A Slinky is a helical spring-like TOY that can be stretched and compressed. It is made of a metal COIL and is often used as a children's TOY. A coilspring is a type of spring that is made up of a coiled wire, which is often used in suspension systems.