A queue, but Eeyore finally got his . . . (8)
I believe the answer is:
tailback
This clue might be a double definition.
'a queue' is the first definition.
(I have seen 'Queue of cars ' mean 'tailback' so perhaps 'queue' could also mean 'tailback')
'eeyore finally got his' is the second definition.
The answer is a person as well as being a singular noun. This is suggested by the definition.
'but' acts as a link.
Can you help me to learn more?
(Other definitions for tailback that I've seen before include "Queue of cars" , "Traffic hold-up" , "Sort of jam" , "Long queue of traffic" , "delayed traffic" .)