What does "baddest" mean?

superlative form of bad: most bad, worst.

Baddest

Common synonyms include: awesome, excellent, fantastic, impressive, most dangerous, most formidable.

adj

adj ·Rare ·Advanced level

Adjective

1
superlative form of bad: most bad, worst. form-of, nonstandard, superlative
2
superlative form of bad: most bad form-of, standard, superlative
"I'm going down in history / As the baddest rapper there ever could be"

"The topic of the episode is "I am the baddest son of a bitch around"."

From bad + -est.