All round, they're boozy little brothers (4)
I believe the answer is:
orbs
'boozy little brothers' is the definition.
Although both the answer and definition are plural nouns, I don't understand how one could define the other.
'all round' is the wordplay.
I cannot quite understand how this works, but
'round' could be 'o' (round can mean a round object) and 'o' is present in the answer.
The remaining letters 'rbs' is a valid word which might be clued in a way I don't see.
This explanation may well be incorrect...
'they're' acts as a link.
Can you help me to learn more?
(Other definitions for orbs that I've seen before include "Ball shapes" , "Nices eyes, bros" , "Poetic spheres or eyes" , "Eyeballs" , "Eyes - globes" .)