Answer: goodgrief

AnswerCrossword Clue
GOODGRIEF

"Peanuts" epithet

GOODGRIEF

Charlie Brown's "Oh no!"

GOODGRIEF

"Heavens!"

GOODGRIEF
"Peanuts" comment
GOODGRIEF
Brown outburst
GOODGRIEF"Peanuts" outburst
GOODGRIEF"Heavens to Betsy!"
GOODGRIEFBrown "Sugar!"?
GOODGRIEFStrip's trademark remark
GOODGRIEFComment from Charlie Brown
GOODGRIEF"Oh!"
GOODGRIEFOxymoron from Charlie Brown
GOODGRIEFCharlie Brown catchphrase