stepbaby

plural stepbabies

1. informalrareA stepchild, especially one who is a baby.

   Jim Cook can be contacted at his stepbaby’s momma’s house or jcook@dothaneagle.com.

   2005 September 25, Jim Cook, “Chuck E. Cheese reality check”, in Dothan Eagle, Dothan, Ala., →ISSN, →OCLC, page 1E, column 1

   2 more examples

   Jess began to feel that her dad wasn’t in the right mood for her serious talk about stepmothers and stepbabies, but she ploughed on. ‘Well, Elly goes there once a year,’ said Jess. ‘And she really gets on well with her stepmother. And she adores the babies.’

   2012, Sue Limb, chapter 26, in Absolute Torture!, revised edition, London: Bloomsbury Publishing, →ISBN, page 167

   Ben's new wife Jackie had flown all the way from New York to Dublin to collect Aoife, nine, and Tadhg, six, and travel back to her native America with them. […] Jackie explained why her "two stepbabies" weren't with her and Ben in a lengthy statement on Instgram.

   2021 July 13, Mikie O'Loughlin, Colin Brennan, “Una Healy's kids blocked from flying to America to visit dad Ben Foden”, in Irish Mirror, Dublin: Reach plc, archived from the original on 13 Jul 2021

   Synonyms: bonus baby