"apartment login" is a sentence my friend came up with. Im unaware of its meaning or the history behind it.
If someone comes up to you and says "apartment login" you must say apartment login back, in which creating a loop of apartment logins.
person 1: "apartment login"
person 2: "apartment login"
person 1: "apartment login"
person 2: "apartment login"
person 1: "apartment login"
person 2: "apartment login"