Answer:

yapped

Answer	Crossword Clue
YAPPED	Talked on and on
YAPPED	Went on and on
YAPPED	Jabbered

YAPPED	Talked shrilly
YAPPED	Barked
YAPPED	Imitated a toy
YAPPED	Talked noisily
YAPPED	Went "blah-blah-blah"
YAPPED	Sounded like a toy
YAPPED	Wouldn't shut up

Crossword

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