Entirely focused on talking; (originally) that discusses rather than acts; (now usually, of a radio station) featuring exclusively programmes based around conversation, interviews, and other spoken material, rather than music.
Origin
Mid 19th century.
Definition of all-talk in US English:
all-talk
adjective
Entirely focused on talking; (originally) that discusses rather than acts; (now usually, of a radio station) featuring exclusively programmes based around conversation, interviews, and other spoken material, rather than music.