Knocking Off

The act of masturbating whilst really high so that when you jizz all the blood rushes from your head and you pass out. May be hard to achieve.

Also known as Jacking Black.

X: "Ben and I tried Knocking Off last night"
Y: "No Way! You guys are crazy! Any success?"
X: "Yep, I totally Knocked Off!! Ben didn't manage to though. It really isn't easy!"

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Jacking Black

The act of masturbating whilst really high so that when you jizz all the blood rushes from your head and you black out. May be hard to achieve.

Also called Knocking Off.

X: "Ben and I tried Jacking Black last night"

Y: "No Way! You guys are crazy! Any success?"

X: "Yep, I totally Jacked Black!! Ben didn't manage to though. It really isn't easy!"