Playing slot machines is a common form of entertainment that involves spinning reels in hopes of winning prizes. However, there are a variety of synonyms that can be used to describe this activity. One popular term is "gambling," which encompasses any game of chance. Another synonym is "spin and win," which describes the action of spinning the reels and waiting for a winning combination. "Penny slots" is another slang term used to refer to slot machines that allow low bets. Additionally, "one-armed bandits" and "fruit machines" are older terms that were commonly used to describe slot machines in the past. Overall, there are a multitude of ways to describe the act of playing slots.