Terrible smell! Doctor like model to show pomposity? (7)

I believe the answer is:

bombast

I'm a little stuck... Click here to teach me more about this clue!

'pomposity?' is the definition.
(I've seen this before)

'terrible smell doctor like model' is the wordplay.
'terrible smell' becomes 'bo' (informal abbreviation for body odour. I am not sure about the 'terrible' bit.).
'doctor' becomes 'MB' (Bachelor of Medicine, Medicinae Baccalaureus).
'like' becomes 'as'.
'model' becomes 't' (Ford Model T car).
'bo'+'mb'+'as'+'t'='BOMBAST'

'to show' acts as a link.

Can you help me to learn more?

(Other definitions for bombast that I've seen before include "Empty inflated language" , "High-sounding language with little meaning" , "High-sounding words with little meaning" , "hollow material" , "Pompous talk" .)

I've seen this clue in the Sydney Morning Herald.

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