I've seen other comment for the supposed unsavory thing but I've never heard about it, like, at all. Only know it as the mathematical operator. Also being used

I've seen other comment for the supposed unsavory thing but I've never heard about it, like, at all. Only know it as the mathematical operator. Also being used as card name for a children card game that's a bit infamously censor heavy so I think it's safe enough https://yugipedia.com/wiki/Mathmech_Nabla https://yugipedia.com/wiki/Mathmech_Nabla