tailfirst

English

Etymology

From tail +‎ first.

Adverb

tailfirst (not comparable)

1. With the tail in front.

   Antonym: headfirst

   • 2013, Robert L. Ridgway, The Truth About Dog and Cat Treatments and Anomalies, page 205:

     This change occurs during the first stage of parturition, and the orientation changes where 60–70 percent of the puppies are born headfirst. Changes in orientation leave about 30–40 percent are ^[sic] born tailfirst.