What is Pooperdooper?
1.
(pl) poopers doopers - Kid friendly version of "Oh Shit!!"
Poopers Doopers, I forgot to select all the drawings and only printed some of them!
2.
Translates to: "not super duper." A purposely mediocre-sounding rebuttal to use on someone expressing enthusiasm for a mediocre event. Can be used sarcastically or merely ambivalently.
"Hey, let's go out to Greasy's and get hot dogs. How's that sound?"
"Mmm. Poop-er dooper!" (w/ sarcasm)
"Pooperdooper." (w/ ambivalence)
See
3.
"An idiot or moron", originated from street language.
"My sister is a pooperdooper cause she stole my candy."
See