(in Christian theology) human nature lacking in grace; humans in their unredeemed state.
Words That Are Older Than You ThinkThe first citation of "OMG" in the Oxford English Dictionary appears in a 1917 letter from the British admiral John Arbuthnot Fisher to Winston Churchill.
Origin of old Adam
First recorded in 1540–50
Also called old man.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019