Dumb
American SlangDefinition
Dumb: - Slang intensifier meaning “very” or “extremely.” - Adjective meaning foolish or senseless; sometimes, emphatically, “remarkably good/impressive.”
Examples
"Those courtside seats are dumb expensive, even for preseason."
"Leaving your wallet in the cab was a dumb move."
"This pizza is dumb good; best slice I’ve had all year."