People who claim the label of Christian, but who make no effort to follow Jesus Christ's social teachings of feeding the hungry, healing the sick, helping the poor or visiting prisoners, see e.g. Matthew 25:35-40
"X" (Chi), the twenty-second letter of the Greek alphabet, is often used to abbreviate "Christ".
"He's got a Jesus Fish on his car, but he's a XINO who doesn't lift a finger for the poor."
“No one wants to hear about your troubles unless your troubles are worse than theirs.
When a University of Chicago law professor blogged his complaints about making ends meet with a household income of more than a quarter of a million dollars a year, he violated the First Rule of Self Pity.