on the muscle

prepositional phrase

Of a horse: frisky and energetic, seeming keen to race.

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Meanings

prepositional phrase
  1. hobbiesOf a horse: frisky and energetic, seeming keen to race.

    I really wasn't able to rest him too much because he was on the muscle more than usual tonight.

    1990, Harness Horse, volume 56, numbers 5-8, page 22
    1 more example

    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.

    1973, Chronicle of the Horse, volume 36, numbers 1-13, page 5
Cite this entry
APA

on the muscle. (n.d.). In WatkinsX Dictionary. Retrieved November 5, 2026, from https://dictionary.watkinsx.com/word/on%20the%20muscle

MLA

“on the muscle.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/on%20the%20muscle. Accessed November 5, 2026.

Chicago

WatkinsX Dictionary, s.v. “on the muscle,” accessed November 5, 2026, https://dictionary.watkinsx.com/word/on%20the%20muscle.

Source: on the muscle on Wiktionary, CC BY-SA 4.0.