tomboyism

English

Etymology

From tomboy +‎ -ism.

Noun

tomboyism (uncountable)

1. Traditionally masculine behaviour in a girl.
   • 2008 May 11, “Something Wild”, in New York Times‎^[1]:

     There is whooping and squirrel-watching and rock-throwing —— an au courant tomboyism that remains free of mocking contemporaries for wearing lip gloss.