The son-in-law of one's grandparent-in-law's sibling.
My co-cousin-uncle-in-law is a good person.
by Elivaldeq November 24, 2019

1- Great-grandparent's sibling's grandchild / Parent's second-cousin.
2- Grandparent's sibling's great-grandchild / Second-cousin's child.
2- Grandparent's sibling's great-grandchild / Second-cousin's child.
My second-cousin-once-removed is a good person.
by ZJO8738 October 3, 2021

My half-great-cousin-uncle is a good person.
by Gtopql November 23, 2019

Great-great-grandparent's female first cousin.
My great-great-great-cousin-aunt is a good person.
by Gtopql November 23, 2019

Sesquaple-4C: Person who, in relation to the other person, has zero parents, zero grandparents, zero great-grandparents, zero great-great-grandparents and seven great-great-great-grandparents in common.
My sesquaple-fourth-cousin is a good person.
by ZYRB3256 February 21, 2022

A game that you play at your cousins that isnt necessarily bad, but is very weird and different from anything you play at home
by Reilyisacousin June 17, 2025

Double-4C: Person who, in relation to the other person, has zero parents, zero grandparents, zero great-grandparents, zero great-great-grandparents and four great-great-great-grandparents in common.
My double-fourth-cousin is a good person.
by ABGR June 9, 2021
