"DINK" is an acronym that stands for "double income, no kids" or "dual income, no kids", referring to couples who are voluntarily childless.
[2] DINKY means "double income, no kids yet", implying that the couple in question is childless only temporarily and intends to have children later, rather than eschewing having children entirely.
The British radio sitcom Double Income, No Kids Yet bore this name.
[3] GINK means "green inclinations, no kids", referring to those who choose not to have children for environmental reasons.
[4] DINKWAD means "double income, no kids, with a dog"[5] Some marketers have proposed "yappie" ("young affluent parent", adapted from "yuppie") as a term to describe similar couples who do have children.