Is POOPY a Wordle Word?

Yes. POOPY is a valid Wordle word.

It is not on the Wordle answer list, so it is unlikely to be a daily answer.

What does POOPY mean?

/ˈpuːpi/

Shitty; worthless; unpleasant“You don't throw a six-year-old into a sandbox and say: "Hey! You can only make poopy castles!" You know when you take wet sand and just let it drip on top of a pile of sand? It's a poopy castle.”
Dirty with feces.“poopy bottom”
Resembling or characteristic of feces.“a poopy smell”

2 more adjective definitions

Needing to poop (defecate)“Can we stop the car? I'm poopy.”
Depressed, weak, or worthless.“Who can feel poopy when they wander to the room where hot soup, bread, and cereal regularly make their appearance?”

Definition from Wiktionary, available under the CC BY-SA license.

Starter word rating: WeakIn the top 100% of all valid Wordle words for testing common letters.
Vowels: O
Unique letters: 3 of 5Repeats P, O
Common letters: O

Hard-mode trap: 8 valid words fit the pattern POO_Y. If you reach it, you may need several guesses to find the last letter.

Letter ratings use how often each letter appears in Wordle answers.

Tap its tiles to the colours Wordle showed, and the Wordle Solver lists every word that still fits, with the best next guess.