Emerson called him "the jingle man" (3)
I believe the answer is:
poe
'emerson called him the jingle man' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Other definitions for poe that I've seen before include "Edgar Allan . . ., writer of spooky tales" , "Short-story writer" , "American author, d. 1849" , "US horror master" , "The Raven writer" .)