Answer:

bluestreak

Answer	Crossword Clue
BLUESTREAK	Chatterbox's output
BLUESTREAK	Talk a ... (yammer rapidly)
BLUESTREAK	Chatterbox's utterance

BLUESTREAK	Fast-moving object
BLUESTREAK	Symbol of speed.
BLUESTREAK	Very high speed: Colloq.
BLUESTREAK	Some talkers' output
BLUESTREAK	Fast one
BLUESTREAK	Endless chatter
BLUESTREAK	Very fast talk
BLUESTREAK	Symbol of speed

Crossword

a puzzle consisting of a grid of squares and blanks into which words crossing vertically and horizontally are written according to clues.