Sexual Relationships
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Why when dick is hard it "moves"?

;D when dick gets hard sometimes it kinda moves by itself, without guy touch it. why and how this happens? how do you feel when it happens?
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Most Helpful Guys

  • An erect penis is like a balloon that is being inflated that also happens to have a small leak in it. In its flaccid state, the penis has blood flowing through it just like any other part of the body. To become erect, small muscles at the base of the shaft tighten to restrict blood flow and therefore cause the tissues in the penis to become engorged with blood. A small amount of blood must still flow so that oxygen rich blood can be delivered to the cells that make up the penis. Without this flow, the cells of the penis would begin to die.

    Now to answer you question about penis movement:
    Changes in arousal will cause changes in muscle tension which will either cause blood flow to become less or more restricted. Changes in blood flow will cause the penis to experience either a net gain or a net loss in blood volume. Changes in blood volume change the
    of the blood held in the tissues of the penis. Changes in pressure will be seen as the penis becoming more erect or less erect. The penis will appear to bobble and bounce.

    (Erectile dysfunction medications constrict the blood vessels in the place of muscles that are no longer able to achieve erection.)

    • (Entering this on a phone. Arrggggg!!!) Should read: "Changes in blood volume change the pressure of blood held in the tissues of the penis."

  • There are pelvic muscles attached to the base of the penis. You don't actually see all of the penis. Just like a girl's clitoris, a whole lot of the penis is internal. When these muscles are contracted (either voluntarily or involuntarily) the penis will move. And then of course during and right after orgasm the penis will sort of twitch and pulse and throb. We guys hope that's enjoyable for you ladies.

    • It is.

Most Helpful Girl

  • Guys have pelvic muscle control so they can move it if they want. Sometimes it's a bit like flexing their muscles and it can be involuntary muscle spasm/muscle tightening from different sensations that make it move. My partner knows that for some reason I find him being able to randomly move it entertaining so sometimes he does, to creep me out a little. He says that it doesn't really feel like anything when it happens.

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What Girls & Guys Said

1 16

  • The penis itself is skin over tissue that can swell when aroused. When the tissue swells, the penis gets hard and erect. There are muscles behind the penis, at the base. When those move, there will be movement of the base of the penis. Since the penis is hard, those movements cause the whole penis to move. The muscle movements can be mostly controlled, but when aroused they often twitch, causing the whole penis to "jerk". That is why when a guy is behind and against you, you will feel it twitch against your butt, occasionally.

  • It's very good when it happens!

  • We have pelvic muscles that help make it move.

    • what for?

    • For fun and entertainment.

  • We can move it by flexing our pelvic muscles but sometimes it moves on its own during foreplay. It just happens when I'm extremely aroused. But I don't know why this happens.

    • but getting hard equals aroused, right?

    • Yes.

  • Blood flow increases to the guys cock makes it get hard it
    will throb/ pulsate / changes to red/ gets hard shiny.. It feels
    good for mine to be rock hard and be able to move it around...

  • Muscle contractions. They feel like some of the same ones involved during orgasm. It doesn't really feel like anything if there is no orgasm occurring. It just is what it is.

  • It's erect. Of course it moves like a snake.

  • 1. Blahblah blood vessels.
    2. I feel excited. Obviously.

  • Blood pressure expands an erection. Artery pressure throbs. The moving is partly that. Also, arousal induces guys to Kegel, which will cause visible movement.

    • To kegel? what does it mean?

    • What you do when you pinch off pee. Lifts the abdominal floor and tightens an anus and vagina and stiffens an erection.

  • We can move it a littler on it's own, and sometimes it semi-reflexively* repeatedly throbs during a pretty strong boner.

    *kinda like when you inhale after holding your breath for too long.

  • The same reason a girl throbs when she's wet.

    • Nothing moves tho... lmao

    • It moves cause it's trying to attack you.

  • I think that it happens because we get more excited. I feel a lot of pleasure when it happens.

  • We can move it a tiny bit

  • So , How do you feel when you know you're getting wet?

    • Its getting warm and you feel its getting moist and wet. then it gets swollen and start to feel the need of being touched. You?

    • Yeah , you feel the muscle in your cock harden and you can just feel it getting bigger and larger And more rigid... rising slowly until it's vertical. Like the sound of your wet swollen pussy by the way 😉. X I'm sure it feels good to touch. So do you trim a line or is your slit shaved bare?

    • shaved ;) the sound is real lol here you're right.

    • Show All

  • It is just a natural twitch... it feels good

  • It is also can dance , let alone move., have u see an old banned commercial from australia? , lol

  • It's not like it moves on it's own, we have some control over making it move. Not the movement doesn't make us "feel" anything

    • why you move it then?

    • Think of it like flexing our muscles

    • when not being flexed the muscles keep the dick stable and help us make sex better (a penis is not a lifeless dildo)

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