glint in the milkman's eye

== English == === Etymology === Created by analogy with similar expressions such a glint in your father's eye, but implying the child was conceived adulterously; milkmen, visiting housewives while their husbands would have been at work, are often associated with adultery. === Noun === glint in the milkman's eye (plural glints in the milkman's eye) (UK, humorous) Someone or something that has not been born or conceived yet. ==== Synonyms ==== twinkle in one's daddy's eye twinkle in one's father's eye