Wart

I'm troubled by this wart.

The wart on my thumb bled badly after picking at it all afternoon.

How long have you had this wart on your hand?

I have a wart on the nose.

Did you ask Dr. Jackson about that wart?

A wart is a generally benign and slightly contagious infection.

A wart has appeared on my toe.

Things that look too good to be true usually are, and every company has some warts that need to be taken into account.

Hungarian warts suck big time! If you need them, your functions are too big and your class interface is much too fat.

Far easier to not use warts in the first place. Even if a wart is present, you still have to verify the variable's declaration anyway, if you're a diligent maintenance programmer.