Menstruation has many euphemisms and here is one: My cousin is here.
The euphemism comes from"country cousin".
Someone may say"Aunt Flo is visiting", while others may prefer "My cousin is here" or "My cousin has come".
1. Spencer: Doctor, I think I'm pregnant cuz my cousin stops coming.
2. Javier: Hey, babe. How are you today? Why do you look upset?
Lydia: Oh, no biggie. It's just... My cousin is here and giving me cramps.
when two people realize they've kissed and/or made out with the same person.
addendum: the closeness of the relationship is dependent on the length of time passed between said incidences. Like, if two people "crossed paths" over the course of a week, it would be known as "lip twins." But if it occurred years apart it would be "lip cousins."
"ashley! i can't believe we made out with the same boy!"
"yeah. we're totally lip cousins."
The son-in-law of one's grandparent-in-law's sibling.
My first co-cousin-uncle-in-law is a good person.
Child of their great-grandparent’s half-sibling with the other great-grandparent’s full sibling.
My sesqui-great-cousin-pibling is a good person.
My second great-cousin-pibling is a good person.
Someone who, in relation to others, has zero parents, zero grandparents, zero great-grandparents, zero great-great-grandparents and ten great-great-great-grandparents in common.
Quintuple-4C: Person who, in relation to the other person, has zero parents, zero grandparents, zero great-grandparents, zero great-great-grandparents and ten great-great-great-grandparents in common.
My quintuple-fourth-cousin is a good person.