Used as a joke to rip on friends when you see an ugly girl or old lady. substituting a family member for girlfrined is also very effective:

This is said to a friend when you see any ugly slut or crack-whore walking down the street.

Nonexistent because he of the fact that you are looking it up on urban dictionary

Something that doesn’t exist

Someone you forget is existing and waiting for a goodnight wish in your sexy Italian language.

She is probably cheating On you Rn

To tell a man their girlfriend is fucking ugly in a dumbass
way in man language.