Puffed up (12)
'puffed up' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for proud that I've seen before include "Stuck-up" , "Slightly projecting; imposing" , "Haughty - sticking out" , "Guilty of deadly sin" , "Self-respect, feeling of self-worth" .)
(Other definitions for vainglorious that I've seen before include "Boasting" , "Excessively self-important" , "Egotistic" , "Overly self-regarding" , "Self-important -- savouring oil (anag)" .)
'puffed up' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for smug that I've seen before include "Self-satisfied, stuffy" , "Self-righteous" , "Prim" , "Self-satisfied and vain" , "Self-satisfied about gums" .)