Answer: DUHS

AnswerCrossword Clue
DUHSMorons' comments
DUHSExclamations of denseness
DUHS"Obviously!" remarks
DUHSStupidity syllables
DUHSInterjections from the obtuse
DUHSCries from the momentarily stupid
DUHSDim responses
DUHSPopular rejoinders
DUHSSure signs of density
DUHSSimps' syllables
DUHSSilly syllables
DUHSDummies' replies
DUHSDense sounds?
DUHSHead slappers' cries
DUHS"Stupid me!" syllables
DUHSSlow reactions
DUHSForehead-slappers' cries
DUHSReactions to no-brainers
DUHSResponses to the obvious
DUHS"I'm so thick!" syllables
DUHSPinheads' words
DUHSComments from the dimwitted
DUHSSnerd's words
DUHSEvidence of density?