foghorn

noun

1. A very loud low-pitched horn, used especially in lighthouses and on large boats.
2. A strong gossiper.

verb

1. To sound a foghorn

   “With the gold evening sun burnishing our strings of signal bunting we foghorned our way up the confidently prosperous quayside of Haugesund”

2. To shout or bellow in a loud, deep voice

   “the voice of the teacher foghorned away undisturbed”