Poindexter
Concise Oxford English Dictionary © 2008 Oxford University Press:
Poindexter /ˈpɔɪndɛkstə/
▶noun US informal a boringly studious or socially inept person.
– origin 1980s: from the name of a character in the TV cartoon series Felix the Cat.
'Poindexter' also found in these Oxford entries:

