la-di-da
adjective
[ ˌlɑːdɪˈdɑː ]
• pretentious or snobbish in manner or speech.
• "do I really sound like a la-di-da society lawyer?"
Similar:
snobbish,
refined,
over-refined,
pretentious,
affected,
mannered,
pompous,
conceited,
superior,
haughty,
precious,
snooty,
stuck-up,
high and mighty,
hoity-toity,
uppity,
snotty,
snot-nosed,
highfalutin,
posh,
toffee-nosed,
Origin:
late 19th century: imitative of an affected manner of speech.