Wiktionary
boomingly
adv. In a booming manner; loudly.
Usage examples of "boomingly".
She was Jinxian in manner as well as appearance, given to striking her chest boomingly for emphasis.
And laughed boomingly, slapping her palms against her thighs with all the exuberance of a proud gorilla.
Even while he was missing, those uncertain hours of anxious speculation and dismal journalism, she had assumed Maxwell would be found boomingly alive, having spent the whole time enjoying the amorous advances of a short-sighted minke whale.