blurter

English

Etymology

From blurt +‎ -er.

Noun

blurter (plural blurters)

1. One who blurts.
   • 1997, Martin E. Marty, Modern American Religion, volume 2:

     At that point W. B. Crumpton, the regular blurter of truths, boasted about what many fellow Baptists might not have wanted to own up to and which they would have found embarrassing to admit.