violently masturbating 

Niall Horan from One Direction was caught violently masturbating in Tokyo.

"Of all the boy band members I can't believe Niall was the one caught violently masturbating."

violently masturbating by 1directionfellow January 23, 2013

violent masturbation 

High speed jerking or pounding items into vagina as hard as you can without being able to control or stop. Usually continues until eruption of bodily fluids and ends with swelling and delicate skin tearing of the genitals and/or surrounding areas. Known as the best kind of masturbation/solo sex. Can also include anal self-penetration.

violent masturbation
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High speed jerking or pounding items into vagina as hard as you can without being able to control or stop. Usually continues until eruption of bodily fluids squirting and ends with swelling and delicate skin tearing of the genitals and/or surrounding areas. Known as the best kind of masturbation/solo sex. Can also include anal self-penetration. Well known squirters/violent masturbators pornstars include jada fire, cithera, annie cruz], amile waters, etc.

violent masturbation by 2Dubb, GPhD. November 21, 2013