Grandparent's female first cousin.
My great-cousin-aunt is a good person.
by Hgcloziw November 23, 2019

When inbreeding happened sometime in your recent family history and so now you have overlapping cousins (not 2nd cousins)
"Why my families lived in this county for 120 years. There didn't used to be that many people here, and were full red blooded Americans. Do you know what that means?"
"What?"
"I've got some cousin cousins"
"What?"
"I've got some cousin cousins"
by Obamanation2015 July 7, 2016

Third-cousin-eight-times-removed (3C8R).
My third-cousin-8X-removed is a good person.
by N8953SW June 26, 2021

by Human gonzo August 28, 2021

by 459395 April 3, 2023

Someone who, in relation to others, has zero parents, zero grandparents, zero great-grandparents, zero great-great-grandparents and twenty-one great-great-great-grandparents in common.
Irregular-undecuple-fourth-cousin.
by Cerejini May 21, 2024

first-cousin-once-removed-in-law.
by Simaduria July 27, 2024
