white knuckle monkey fist

The act of stroking one's penis with such vigorous strength and aggression that it causes one's knuckles to turn white.
Bro, it's been so long since my girl let me hit that I had to give myself the ol' white knuckle monkey fist.
by Elfistothemagnifico March 30, 2023
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White knuckling it

When you grab yo shit so hard while strokin' it your knuckles turn white
by sugonadeez December 03, 2024
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