Answer: fieldday

AnswerCrossword Clue
FIELDDAY"It couldn't happen to a nicer couple, Sally and Doris ...!"
FIELDDAYPicnic, informally
FIELDDAYChance for unrestrained fun
FIELDDAYVery successful occasion.
FIELDDAYTime of unusual success: Colloq.
FIELDDAYOutdoor activity.
FIELDDAYPeriod of unrestricted activity
FIELDDAYOutdoor gathering, as a school picnic
FIELDDAYTime of unusual success
FIELDDAYEnjoyable time