Is LOLLS a Wordle Word?

Yes. LOLLS is a valid Wordle word.

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

Plurals ending in S are almost never chosen as Wordle answers.

What does LOLLS mean?

To act lazily or indolently while reclining; to lean; to lie at ease.
To hang extended from the mouth, like the tongue of an animal heated from exertion.
To let (the tongue) hang from the mouth in this way.“The ox stood lolling in the furrow.”

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

Starter word rating: WeakIn the top 92% of all valid Wordle words for testing common letters.
Vowels: O
Unique letters: 3 of 5Repeats L
Common letters: L, O

Hard-mode trap: 10 valid words fit the pattern _OLLS. 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.