first great-great-great-cousin-niece

First cousin's great-great-granddaughter.

My first great-great-great-cousin-niece is a good person.

by Gtopql November 23, 2019

double-first cousin-aunt

Daughter of their grandparent’s full sibling with the other grandparent’s full sibling.

My double-first cousin-aunt is a good person.

by Hgcloziw November 23, 2019

step-co-second-cousin-in-law

Spouse's step-second-cousin's spouse.

step-co-second-cousin-in-law.

by Simaduria July 27, 2024

second-cousin-in-law

1- Second-cousin's spouse.
2- Spouse's second-cousin.
3- 2C-in-law.

My second-cousin-in-law is a good person.

by User655 July 25, 2021

cousin oligist

A person who knows everything about their cousins.

Person: do you know how old your cousins are?
You: no, im not a cousin oligist

by anonymous December 23, 2021

irregular-octuple-third-cousin

Someone who, in relation to others, has zero parents, zero grandparents, zero great-grandparents and fifteen great-great-grandparents in common.

Irregular-octuple-third-cousin.

by Cerejini May 21, 2024

undecuple-fourth-cousin

Someone who, in relation to others, has zero parents, zero grandparents, zero great-grandparents, zero great-great-grandparents and twenty-two great-great-great-grandparents in common.

Undecuple-fourth-cousin.

by Cerejini May 21, 2024