Answer:

castparty

Answer	Crossword Clue
CASTPARTY	Last-night fling
CASTPARTY	Outing for fly-fishing enthusiasts?
CASTPARTY	Opening night celebration

CASTPARTY	Post-performance celebration
CASTPARTY	Post-wrapping tradition
CASTPARTY	It might follow a wrap
CASTPARTY	It may follow an opening
CASTPARTY	Fly fisherman?
CASTPARTY	Celebration after a run?