Trendy new bar
I believe the answer is:
inn
'bar' is the definition.
(I've seen this in other clues)
'trendy new' is the wordplay.
'trendy' becomes 'in' ('in' can mean fashionable).
'new' becomes 'n' (common abbreviation eg NT for New Testament).
'in'+'n'='INN'
(Other definitions for inn that I've seen before include "watering-hole" , "Pub with lodging" , "watering hole" , "place to stay" , "Country pub, often with accommodation" .)