Suffer as a result of hot dog that's rather unpleasant (5)
I believe the answer is:
incur
'suffer' is the definition.
(to incur is to suffer or experience)
'hot dog that's rather unpleasant' is the wordplay.
I cannot quite understand how this works, but
'hot' could be 'in' (both can mean fashionable) and 'in' is located in the answer.
'dog' could be 'cur' (a cur is an aggressive or scruffy dog) and 'cur' is present in the answer.
No letters remain.
This explanation may well be incorrect...
'as a result of' acts as a link.
Can you help me to learn more?
(Other definitions for incur that I've seen before include "Fall liable to" , "Become responsible for" , "Provoke" , "Become liable to (costs)" , "Attract" .)