[disk jockey] {n.} An employee at a radio station or in […]

[dog days] {n. phr.} The hottest days of the year in […]

[dog in the manger] {n. phr.} A person who is unwilling […]

[dog's life] {n. phr.} A life of misery, poverty, and unhappiness. […]

[dog-eat-dog] (1) {n.} A way of living in which every person […]

[dog's age] or [coon's age] {n.}, {informal} A very long time. […]

[dose of one's own medicine] or [taste of one's own medicine] […]

[double check] {n.} A careful second check to be sure that […]

[double date] {n.}, {informal} A date on which two couples go […]

[double duty] {n.} Two uses or jobs; two purposes or duties. […]