I've had some pretty bad jobs in my life.
And I'm not very old.
While I was in college, I had a data entry job at the headquarters for a company known fondly by some as "God's Garage." (My opinion? "Satan's Lair." Potato, potahto.) When I quit, I did not give notice, and I was informed that I could not apply for a job with the company for seven years. Shux.
Anyhow, I worked the evening shift, which meant that I shared a computer with the woman who worked there during the day. Her screen saver read:
"Guys don't make passes at girls who wear glasses."
I changed it to:
"Guys don't make passes at girls with fat asses."
The seating arrangement changed the next day.