What is "libbers"

Usage examples of "libbers".

After all, they'd clearly lost their minds because of that home-wrecking feminist woman from Little Rock, who'd had no problem converting heretofore obedient wives into wicked, defiant, sinful women's libbers one inch away from burning their brassieres.

I never once thought you were one of those women's libbers who burn their bras and mock the church and turn into lesbians if they're not careful.