Baffled fellow leaving worse for wear (5)
I believe the answer is:
oiled
'leaving worse for wear' is the definition.
I can't judge whether this definition defines the answer.
'baffled fellow' is the wordplay.
'baffled' becomes 'oil' (I am not sure about this - if you are sure you should believe this answer much more).
'fellow' becomes 'ed' (short for Edward).
'oil'+'ed'='OILED'
Can you help me to learn more?
(Other definitions for oiled that I've seen before include "greasy" , "as silk may be" , "get drunk" , "Lubricated (with drink?)" , "running smoothly?" .)