Thoughts - Explaining maths slash

Me: That reminds me of the funniest thing, have you seen Katy's maths slash?
Friend: No.
Me: You know what maths slash is?
Friend: No.
Me: You know what slash is?
Friend: No.
Me: Hooohboy. This is going to be fun. Well, I would say it's a possibly parodic erotic story about an encounter between two non-canonically-same-specied abstract mathematical concepts.
Friend: So, it's like group sex?