• 5oap10116@lemmy.world
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      6 months ago

      Even though this is a dick joke, I’d use isopropyl or ethanol no higher than 70%. Acetone tends to strip/degrade paint and if on a plastic substrate could degrade the plastic.

      Source: I work in an analytical lab for plastics and paints and I have made many mistakes.

      • MDCCCLV@lemmy.ca
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        6 months ago

        Acetone will work if nothing else works, but it’s just as likely to strip the underlaying paint off. You can mostly use alcohol to clean it and apply some acetone just on the actual stain with a qtip, that makes it less likely to be noticeable.

        • 5oap10116@lemmy.world
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          6 months ago

          Itll work but…It’s sharpie. I can take sharpie off a smooth surface with a kimwipe and elbow grease. Acetone is overkill and likely to damage your surface if it’s paint or plastic yo. Use a less aggressive solvent. Also we’ve destroyed a whiteboard or two with acetone.

        • EtherWhack@lemmy.world
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          6 months ago

          I think I remember hearing methanol got most of its bad rep (over IPA) because it was commonly produced with the ethanol when moonshine was made by inexperienced people. During prohibition, people would go to these inexperienced distillers because of the low cost (or even try doing it themselves) and get sick.

          It is also used to “denature” (make unfit for consumption) ethanol for industrial use to be exempt from alcohol taxes. Bittering agents are more common now though, especially when the product is consumer facing and the residue left by the agent isn’t important.

      • Revan343@lemmy.ca
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        6 months ago

        You’re not going to absorb enough to be dangerous using it to clean something like this, and if you’re drinking the stuff, well…at least the methanol warns you before it kills you

  • MyTurtleSwimsUpsideDown@fedia.io
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    6 months ago

    That took me a while. My first thought was it was an ad hoc durometer gage for cushion foam or jello or something, but the scale was backwards…

    Anyway. Isopropanol/isopropyl-alcohol/that-shit-in-the-medicine-cabinet will take care of it. I use it all the time.

  • tweeks@feddit.nl
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    6 months ago

    If you have a whiteboard marker, you can draw over it and then erase it. Works wonders.

    • Mickey7@lemmy.worldOP
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      6 months ago

      I’m surprised that someone isn’t selling measuring devices specifically for the penis

      • TRBoom@lemm.ee
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        6 months ago

        I recall a website from the web 1.0 days that sold rulers, soda cans, and other common everyday objects that were specially manufactured to be smaller than the actual object. The intent was to show someone your penis pic with an undersized soda can to make it look bigger.

      • RattlerSix@lemmy.world
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        6 months ago

        I used to joke with a friend that we should start a business selling rulers that were inaccurate so that there was about 1/2 to 3/4 inch between the inch marks. We could have been rich

        • Mickey7@lemmy.worldOP
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          6 months ago

          I understand it with teenage boys, but I have always been fascinated with guys being so obsessed over how big their cock is. Seems to be common knowledge that women don’t really care because it feels no different to them. You will rarely hear a women talk about one that was so big that it hit their cervix.

          • dditty@lemm.ee
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            6 months ago

            Or when you do, they talk about it negatively like “ouchie it was too big.” Sometimes ppl do prefer a girthier hog though.

  • Aceticon@lemmy.dbzer0.com
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    6 months ago

    Sometimes ethanol (i.e. rubbing alcohol) works.

    If not, try acetone, same thing used to remove nail polish.