muscled up

Adjective

 * 1) Having large, well-developed muscles.
 * 2) * 1983 (Jan 17), Julia Vitullo-Martin, "Back in the Saddle Again", New York Magazine 16(3): 51
 * "We've got to get the guys muscled up first," explains Byrnes, "or somebody's back will go out when we canter."
 * "We've got to get the guys muscled up first," explains Byrnes, "or somebody's back will go out when we canter."