vulgar ears; attention of the masses
Rare literary noun referring to the ears or attention of the common people, often with a nuance of being unrefined or easily swayed. Typically appears in set phrases like 俗耳に入りやすい (easily reaching the ears of the masses).
The rumor easily reached the ears of the masses and spread quickly.
俗耳 is an old-fashioned expression referring to the ears or attention of the general public.