Home › Words › M › musclegirlmusclegirlmusclegirl · noun — A strong and muscular girl or woman, especially one who is a bodybuilder.Definition from Wiktionary (CC BY-SA 3.0).EtymologyFrom muscle + girl, modeled after muscleman.nounA strong and muscular girl or woman, especially one who is a bodybuilder.e.g.“Musclegirl Alex Rain (Sue Price) awakens on the East African plain with no memory, having been shot clean through the head.” — 1997, Edmond Grant, Ken Fox, The Motion Picture Guide: 1997 Annual (The Films of 1996), page 265:Definitions & examples from Wiktionary (CC BY-SA 3.0).