cummie /ˈkjuː.mi/noun 1/ˈkʌmi/ noun 1forms 1 noun1 •A cumulus, a fluffy type of cloud.Cummies are made by thermals, and are a sign of good soaring. — 2007 cummie /ˈkʌmi/ noun[usually plural]1 •(vulgar) An emission of semen or female ejaculate.The butt plug began to throb again, and I could feel the tube sucking my cummies out of me, over and over. — 2007 formscummies