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.
by Inhale-ilitosis July 19, 2009
Get the Inside-Out Voicemug. by uttam maharjan December 28, 2011
Get the out of voicemug.