What is Poopy-doopy?
1.
Adj.:
Faux-expletive used in place of any commonly-considered child-unfriendly term for excrement. Automatically-generated by the censor system of a certain popular English-language Godzilla chatboard.
"Aw, you're so full of poopy-doopy!"
"They're using Mothra again?! That's poopy-doopy!"