Inside-Out Voice
Speaking while inhaling as aposed to exhaling; Talking while breathing in to avoid someone nearby smelling your breath.
So Im pretty sure that Billy ate dookie puffs for breakfast this moring, because he failed to use his inside-out voice when he asked me for a piece of gum.
out of voice
Not fit for singing. Antonym of ‘in voice.’
Since she is out of voice due to her gular problem, her gig has been cancelled.