To hold somthing with your hand(s) in a constant position so tight and long that blood rushes away from your knuckles and they become pale and sweaty.
He was white knucklin' the steering wheel.
That new video game will give you white knuckles.
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!"
Awaiting an outcome, or termination, of something with almost unbearable anticipation (as in clenching one's fists tightly to get through the agonizing final days or moments of waiting for something to happen or be over with)
Brooke's mom was told she couldn't have a drink for 30 days before the wedding, and she knew she would have to white-knuckle it!
When someone sucks at everything but can't admit it to themselves and get angry at everyone trying to ruin specific peoples lives but fails at it. Especially when it comes to sex they are ALWAYS white knuckled
See that girl?
She's a white knuckle, don't talk to her! she'll make you regret it!
when a man ejaculates but instead of shooting he only dribbles over his knuckles ... hence white knuckle.
friend: i had a great toss last night
mr a : really all i got was white knuckle
To jack-off so that when you cum it runs down your knuckles.
Josh- Yo dude my friend gave himself a white knuckle!
Doug- Aw dude wtf i dont fucking care.
Jizz on one's knuckles after giving a handjob.