1846 S. F. Cooper I. iii. 33 Although well-versed in natural philosophy, this excellent gentleman proved himself quite ignorant of boy and girl nature.
1908 W. Campbell Daulac i. i, in 131 I cannot reveal all to so pure a soul. This sweet girl-nature, like a limpid brook.
1999 M. Myers in P. R. Feldman & T. M. Kelley i. 89 Down-at-the-heels governesses out to make a pound and vent their grievances against girl nature.