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When a male reaches orgasm, and the ejaculate is forced to remain 'inside' or redirected into the bladder, either by clenching or physical manipulation through the taint. This can be physically harmful. First wirteen about approx. 7 years ago in the used to be cool till they sold at and went totally gay Vice Magazine.
I thought maybe if I didn't actually cum I could just go over and over again, so I tried that injaculate thing by pushing hard under my balls when I came. No cum, but it felt fucking weird. Like, taking a piss but with nothing coming out; just isn't right.
by Jack Handyhands August 22, 2008

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When you go kaboom! And then you injaculate. You suck all the sexual juices back into your phallic member?
"Did you see Jenny injaculate?"
"Yep, she grabbed a fucking fly when she did it?"
by Naes Ttekcup September 12, 2005

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Lotsa space for your liquids.

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The Urban Dictionary Mug

Your favorite word on a white mug.

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The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

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The Urban Dictionary T-Shirt

Soft and offensive. Just like you.

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The Urban Dictionary T-Shirt

Smooth, soft, slim fit American Apparel shirt. Custom printed. 100% fine jersey cotton, except for heather grey (90% cotton).

Buy the t-shirt