a whistling woman and a crowing hen are neither fit for God nor men

a whistling woman and a crowing hen are neither fit for God nor men

It is not proper for a woman to engage in overtly masculine behavior. My grandmother is legitimately worried because I asked a boy to the dance, instead of him asking me. She says that a whistling woman and a crowing hen are neither fit for God nor men—whatever that means.
See also: and, crow, fit, god, hen, men, neither, nor, whistle, woman