adverb, adverb taking the 'to' particle, noun or participle which takes 'suru'
shamelessly; brazenly; without shame
Describes doing something that should be embarrassing without showing any shame, often with a critical tone. Commonly used with verbs like 言う, する, or 出る.
彼はのめのめと嘘をついた。
He shamelessly told a lie.
あんな失敗をしたのに、のめのめと出社してきた。
Even after such a failure, he came to work brazenly.