noun, masculine/feminine/mom/plural: mômes
kid, brat; chick, bird (girl)
“Ils sont partis sans crier gare / Avec leurs mômes et leurs guitares / Nos frères gitans de Saint-Ouen” — They left without warning / With their girls and their guitars / Our gypsy brothers from Saint-Ouen
19th century, probably imitative of a child's first attempts at speech.