The Collaborative International Dictionary
Blattering
Blattering \Blat"ter*ing\, n. Senseless babble or boasting.
Wiktionary
blattering
vb. (present participle of blatter English)
Usage examples of "blattering".
I heard two or three get into such a state that they started blattering off and wanted no more of it.
Half an hour later it was dark, the wind blattering down from the heights and ragged gaps in the clouds through which I was able to catch a glimpse of the stars.
Amid the cackle of geese and blattering of lambs, Haelf welcomed them, and his household at once began preparing a royal feast.