This text comes from The Canadian Soldiers' Song Book, a historical songbook transcribed on Wikisource and reproduced from the pinned revision linked below.
My tunic is out at the elbows,
My trousers are out at the knee,
My puttees are ragged and frazzled
But the Q.M. says nothing for me.
My Tummy knocks hard on my backbone,
My dial is thin as can be;
Still all we get handed at mealtimes,
Is bully and Machonochie.