goo-gooa. 
慕

,

情

goody-goody \good"y-good"y\, n.
A person who is weakly, sentimentally, or affectedly good; a
goody-goody person; -- sometimes used to refer to person who
acts with good intentions but who bunglingly does more harm
than good. The latter may sometimes be deprecatingly referred
to as a {goo-goo}. [Colloq.]
[PJC]
goo-goo \goo"-goo\, n.
same as {goody-goody}, n.. [Colloq. & disparaging]
[PJC]