Anathema Maranatha

an expression commonly considered as a highly intensified form of anathema. Maran atha is now considered as a separate sentence, meaning, "Our Lord cometh."
- 1 Cor. xvi. 22

See also: Anathema

References in classic literature ?
To do anything THEY have never done is anathema maranatha.
2d, He hath held communication with an excommunicated person, capital 57, Ut fratres non participent cum excommunicatis, and therefore hath a portion in Anathema Maranatha.