Answer:

bombshell

Answer	Crossword Clue
BOMBSHELL	Serious surprise
BOMBSHELL	Jaw-dropping news
BOMBSHELL	Sensational revelation.

BOMBSHELL	Sudden occurrence.
BOMBSHELL	Stunning occurrence.
BOMBSHELL	Devastating surprise.
BOMBSHELL	Epithet for some Hollywood blondes
BOMBSHELL	Total shocker
BOMBSHELL	Detonates a weapon in the underworld?