An
automotive hypochondriac; someone who thinks every odd sound coming from their car means
something drastic is going wrong with it.
n.
A person affected with hypocardria.
adj.
Relating to or affected with hypocardria.
I'm such a hypocardriac; when we went over that
pothole, I swear I heard
one of my lugnuts shear off. I was
bracing myself in case the tire rolled away.