1) A terminology used to describe when someone is holding onto something extremely tight, due to a
stressful or otherwise
tense situation.
2) Also a synonym for someone feeling
stressed, or tense about life.
"When we took that corner at 95, everyone in the car had
white knuckles"
"You've had white knuckles since
you got served with
divorce papers, are you going to be ok?"
"We call him white knuckles, he stresses about EVERYTHING!"