The crossword solution for the term 'You May Step On It In A Rush' is GAS, which stands for gasoline. Gasoline is a petroleum-derived liquid fuel used in internal combustion engines, such as those found in cars and other vehicles. It is a flammable, colorless, and volatile liquid that is derived from crude oil and other hydrocarbons. Gasoline is used to power most motor vehicles and is also used in some industrial processes.