also: がるそんぬ
noun
boyish girl; tomboy; garçonne
A loanword from French 'garçonne', referring to a girl or young woman with a boyish style, attitude, or appearance. Often used in fashion or cultural contexts.
from French garçonne
彼女はショートカットで、まるでギャルソンヌのような雰囲気だ。
With her short haircut, she has an atmosphere just like a garçonne.
1920年代のパリでは、ギャルソンヌスタイルが流行した。
In 1920s Paris, the garçonne style was in vogue.