That poetic Shropshire fellow? (3)
I believe the answer is:
lad
'fellow?' is the definition.
('lad' can be a synonym of 'fellow')
I cannot understand how the rest of the clue works.
Can you help me to learn more?
(Other definitions for lad that I've seen before include "Young fellow" , "Stable employee" , "(Housman's Shropshire) boy" , "Chap, fellow" , "Boy, familiar" .)