mommy /ˈmɒm.i/noun 5adjective 1verb 1forms 5phrases 1 noun5 •(US, Canada) Mother. •(US, Canada) a mother, especially as her young child talks about her or to herI wish Mommy and Daddy didn't argue so much. •(vulgar) A sexually attractive mother. •(slang) Any sexually attractive woman. •(slang) A dominant female partner, often used as a term of address.My girlfriend loves it when I call her mommy. adjective1 •(informal, rare) Characteristic of a mother; motherly.She is the mommiest of mommies. verb1 •(informal, rare) To treat someone like a mother would; to mother someone. formsmommied · mommying · mommies · mommier · mommiest Phrases with mommy mommy brainA state in which a new mother is forgetful, absent-minded, or easily distracted.