I mean you just say it, is all. If you're wrong, so fuckin what. If she pretends like she doesn't know what you're talking about, so fuckin what. It never comes up in conversation unless you bring it up in conversation. If you're waiting for the precise right moment to say things that moment never comes.
Gotta be alpha, dude, and suck some dicks.
I'm not saying you should do that now. But that's how you do that. You can even be super baller and do it in mixed company. It will usually make people either briefly uncomfortable and they'll pretend they didn't hear it or you'll get a jackass like me that points and laughs and says, "baller".