Answer: vava

AnswerCrossword Clue
VAVA

"..-voom!"

VAVA

Syllables before "voom"

VAVA

Lead-in for "voom"

VAVA
Beginning of a sexy catchphrase popularized by 1955's "Kiss Me Deadly"
VAVA
"...-voom!"
VAVA"..... voom!"
VAVA"... voom!"