York, Dorothea, and Arthur Boughton. Mud and Stars; An Anthology of World War Songs and Poetry. New York: H. Holt and Co, 1931, page 28:

SLUMGULLION SONG

Today is Monday, today is Monday,
Monday is slumgullion;
All you hungry brothers,
We wish the same to you.

Tuesday, string beans.
Wednesday, soup.
Thursday, roast beef.
Friday, fish.
Saturday, pay day.
Sunday, church.

--From "Songs of the Service for the American Legion."