2012, Billy Angel, 1 Law 3 All, Sunset Angel Productions (2012), →ISBN, unnumbered page:
I was using my outside voice. We could barely hear each other above the bar noise.
2012, Leigh Peyton Mikovich, The Bug, the Pea, and Me: 52 Devotions of Love and Laughter, CrossBooks (2012), →ISBN, page 96:
My youngest daughter is particularly fond of an “outside voice.” We'll be quietly eating our meal and the Pea, who sits right beside me, will recount her day as if her words must rise above the very roar of a pep rally crowd.
2013, Jamie Centeno, Heavolution, Creation House (2013), →ISBN, page 82:
I began to wonder this question out loud to the Lord in my prayer time. He spoke first with a subtle whisper, but then it became more like He was using His outside voice.
2013, Ellen Stimson, Mud Season: How One Woman's Dream of Moving to Vermont, Raising Children, Chickens and Sheep, and Running the Old Country Store Pretty Much Led to One Calamity After Another, The Countryman Press (2013), →ISBN, page 135:
In fact, it is just barely conceivable that I actually told one woman, using my outside voice and everything, that I thought, perhaps, she might be happier shopping elsewhere.
As I dove in to drive away I heard my friends shouting and Bertha, above the din, using her outside voice to remind them, over and over, that it was too late.