Is actually a silly insult made in the 1990's by WWF wrestler "The Rock" currently known as "Dwayne Johnson".
Recently it has come into some mainstream attention due to it's emergence on the image board 4chan, when they replaced offensive terms with other terms in "The Rock's" diction such as "candy ass" among other terms.
Who is this roody poo?
You are a candy ass roody poo.
People who think the term "roody poo" originated from 4chan rather than "The Rock" are true candy ass roody poos.
An absolutely foolproof way to keep minors from viewing content deemed "too mature" for them to watch.
Billy: "So I was trying to watch some videos for an M rated game, and I ran into an age gate, so I put in my real birthday. SOMEHOW it managed to figure out that I am 12. CURSE YOU AGE GATE!!!"
Bill: "Fucking age gate! *quick scroll* THERE! I was born on January 1, 1904. Fuck you age gate."