Meaning of on the muscle | Babel Free
Definitions
Of a horse: frisky and energetic, seeming keen to race.
Examples
“Tallhato was "on the muscle" going down the backside, attempting to run out. That's not the formula to beat a filly like Windy's Daughter.”
“I really wasn't able to rest him too much because he was on the muscle more than usual tonight.”
CEFR level
C1
Advanced
This word is part of the CEFR C1 vocabulary — advanced level.
This word is part of the CEFR C1 vocabulary — advanced level.