Speaking

в носa; гнусаво nasally, twangy
NB The adverbial expressions above are used only with verbs of speaking or singing:
to speak through one's nose, to speak in a twangy voice
произносить в нос (or гнусаво) to pronounce nasally, through one's nose
петь в нос (or гнусаво) to sing in a twangy voice
гнусавить [no Pf.]; гундосить [no Pf.] Substandard to speak through one's nose, to speak in a twangy voice
гнусавый голос; гундосый голос Substandard nasal, adenoidal voice
говорить/проговорить себеd под носa (or под носa) to mumble under one's breath