Yob

Someone whose not friend zoned but you don’t want them to know that, so you call them a yob. Not a friend but a friend who’s not friend zoned

Tyler-dude, you’re a good friend
Sarah-um, yes yob! You’re a good yob!
Tyler-um, what’s a yob?
Sarah-for me to know and you to not know. Yob (:< call me yob too, yob