Be last group to enter bar, turning up rather buzzed after consuming ecstasy (5,2,3,4)
I believe the answer is:
bring up the rear
'be last' is the definition.
(I've seen this before)
'group to enter bar turning up rather buzzed after consuming ecstasy' is the wordplay.
I cannot quite understand how this works, but
'group' could be 'b' (B is an example) and 'b' is found in the answer.
'up' is present in the answer.
'ecstasy' could be 'e' (informal term for the drug) and 'e' is found within the answer.
an anagram of 'rather' is 'threar' which is located in the remaining letters.
The remaining letters 'ring' is a valid word which might be clued in a way I don't understand.
This explanation may well be incorrect...
Can you help me to learn more?
(Other definitions for bring up the rear that I've seen before include "come last" , "Come at the end" , "Trailers do" .)