intransitive verb. To chatter; babble.

noun. Idle chatter.

noun. A blabbermouth.

To speak inarticulately; babble; mumble.

To tell tales; blab; talk idly.

To fib; falter.

To whistle to a horse.

noun. A tattler; a telltale.

Swollen; protruding: as, blabber-lipped; blabber cheeks.

noun. one who blabr; a tattler; a telltale.

verb. to run one's mouth in such a way as to (inadvertently/unintentionally) spoil a surprise

noun. A person who blabs; a tattler; a telltale.

verb. speak (about unimportant matters) rapidly and incessantly

noun. one who reveals confidential information in return for money

"But come on, in a comic book (especially in a manga-style one), such blabber is out of place."

blab  blabbermouth  

babbler  blab  boaster  brawler  overemphasis  

absurdity  amphigory  babble  babblement  balderdash  

blab  

blabbered  blabbering  blabbers