1 definition by gymratstudmuffin5050

Top Definition
When a gym and fitness enthusiast wants to take their workout to the next level yet does not want to go to BEASTMODE, lift heavy weights, but get intense on the stepmill or treadmill to build a lean and tight body.
Bikini competitor- "I'm off to the gym! #MACHINEMODE and burn 600 calories!"
by gymratstudmuffin5050 October 20, 2011
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