Case of the weekends.
Case of the Fridays.
Case of the Thursdays.
Case of the Wednesdays.
Case of the Tuesdays.
Case of the Mondays.
Elizabeth's coworker stopped by her desk to chat about something.  Suddenly, something came PINGing from her face, and bounced across Elizabeth's desk.  

ELIZABETH:  What the heck is that?
COWORKER:  That's my tooth.

Yep, a cap on one of her teeth routinely pops off and goes for a jaunt.  
I saw a man with the Most Magnificent Unibrow.  He was working in a cafeteria.  The unibrow was like a thick black McDonalds logo, a child's drawing of a seagull plastered above his eyes.