Used to work with a guy with serious dental issues, we called him Skeletor. Used to work (different place) with girl who apparently thought it her duty in life to screw EVERY guy at the place, her name was Shari. We (the guys who did not want to become a notch on her belt) called her Scary.

Anyone really skinny, I use the universal Starvy. Really, really fat people (fatter than me), I call Skinny.

I now have to make nice with "Big Hat". She's OK I guess, but she takes everything far too seriously (especially sunhats) and wants to discuss it in too much detail -she never shuts the fuck up- and is a close-talker. And Canadian to boot, eh. And everyone knows she's called Big Hat. When she first appeared on the scene a few years ago, she was irritating enough for people to need to mention her, but her name was so meh, we could never remember it. We just used to called her the woman with the big hat.....