The overly irrational fear of bears brought on by camping in the wild for the first time. Bearanoia is most likely to occur in places such as Yosemite or Yellowstone where bear attacks have been known to occur at campsites.
Wife: Should I wash this flavored chapstick off before bed so the bears don't try to get in our tent tonight to lick my lips?
Bearanoia is a disturbed thought process characterized by excessive anxiety or fear of bears, often to the point of irrationality and delusion. Bearanoid thinking typically includes persecutory beliefs concerning a perceived threat of bears. In the original Greek, (bearnoia) simply means, really fuckin' scared of bears (beara = bears; nous = really fuckin' scared of) and, historically, this characterization was used to describe any delusional state concerning bears.
The weird little nub at the end of a banana that you don't feel like eating. You know that it would be fine to eat, but it just seems like something that should come off with the skin.
A sunburn or suntan focused on the left arm. It is caused by the left side of the body being the only half that gets exposed to sunlight while driving. Presumably, it would be located on the right side of the body in countries where they drive on the left side of the road.