What is the definition of Races Body Enhancing Irritants?

"Races body enhancing irritants" is like saying a group of super competitive race car drivers who have taken their body enhancement supplements and are now literally racing against each other in a bizarre form of vehicular combat. It's the kind of term that sounds like something you'd find in a sci-fi movie where bodybuilders are on a high-speed chase for a genetically modified race track.

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Here's an edgy example sentence using this phrase: "After taking the latest 'Race Track Serum', Max couldn't keep his eyes off the racers, especially when they started spraying him with 'Iron Grit', a new body enhancer that promised to turn him into a human fire-breathing chariot of destruction."