All she would have to do is see your handle once, idly and innocently wonder what it means, and google it. A curious, intelligent person might well do that. So

All she would have to do is see your handle once, idly and innocently wonder what it means, and google it. A curious, intelligent person might well do that. So either you don’t think she’s curious and intelligent, or you have such amazing opsec you’re positive she’ll never catch a glimpse of your handle. Judging from your original post, the first option seemed more likely.