Pooterish
Concise Oxford English Dictionary © 2008 Oxford University Press:
Pooterish /ˈpuːtərɪʃ/
▶adjective self-important and mundane or narrow-minded.
– origin 1960s: from the name of Charles Pooter, the central character of Diary of a Nobody (1892) by George and Weedon Grossmith.
'Pooterish' also found in these Oxford entries:

