Definition of "souped-up" []

• Of horses injected with something to make them run faster or change their temperament (19th-early 20th century) (adjective)
• Drunk (adjective)
• Modified for higher performance (likely derived from the horse-racing term) (adjective)
• Excited (adjective)

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• "The size of a Mini Cooper and nicknamed Curiosity, the rover is a souped-up version of the golf cart-size twin rovers Spirit and Opportunity."
• "A consortium of auto makers has agreed to a set of standards, including a decision to use a souped-up form of WiFi called 5.9-gigahertz DSRC—for dedicated short-range communications—for safety functions."
• "Mourners will follow in souped-up, bodykitted Corsas with dustbin exhausts."