Top definition
When you're taking a situation as it comes and flying by the seat of your pants. Often attributed to anxiety, and feelings either good or bad. A reference to clinging fiercely to something, such as a rope, to the point where ones knuckles would turn white from forcing blood from the capillaries.
Jesus, I'm sweating, I was white knuckling my way through that interview. Those guys are scary.
by Markus J August 20, 2008
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Donkey Punch Plush

10" high plush doll.

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2
When one is driving and has to piss so bad that they are squeezing the steering wheel so hard that there knuckles are white.
I was white knuckling for 15 minutes this afternoon when I was stuck in traffic.
by Johnny Tats November 08, 2007
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Golden Shower Plush

He's warmer than you think.

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3
When you maturbate so hard your knuckles are white from holding your dick too tight.
"Man after I watched that porno I was so horny I was white knuckling it till morning."
by Weedboypussylover January 25, 2017
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Cleveland Steamer Plush

The vengeful act of crapping on a lover's chest while they sleep.

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