charm quark: a quark with an electric charge of +2/3 and a mass 2900 times that of an electron and a charm of +1
quark: (physics) hypothetical truly fundamental particle in mesons and baryons; there are supposed to be six flavors of quarks (and their antiquarks), which come in pairs; each has an electric charge of +2/3 or -1/3
puppy fat: fat on the body of a baby or child; disappears at adolescence