misbeget

verb3

1. •
   To beget wrongly or badly.
2. •
   To produce children from an illicit or inappropriate union, especially when such children suffer birth defects.

   • Therefore, Master Giles, buss the old folk, and thank them for misbegetting of thee, and ho ! you, — bring hither his mule ! — 1869
3. •
   To create or produce something badly.

   • Take it; disperse the rich man's store ; Take it, and satisfy your need ; Then misbeget some millions more For our posterity to feed. — 1886