Is BOBOS a Wordle Word?

Yes. BOBOS 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 BOBOS mean?

A materialistic person who affects an anti-materialistic persona.
A self-styled bodyguard or groupie of the nouveau riche (such as a professional athlete or musician)
An imitation of something, particularly a well known product, usually lower in quality than the original.

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

Starter word rating: WeakIn the top 99% of all valid Wordle words for testing common letters.
Vowels: O
Unique letters: 3 of 5Repeats B, O
Common letters: O

Hard-mode trap: 7 valid words fit the pattern _OBOS. 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.