first step-cousin-nibling

1. The grandchild of one's parent's stepsibling.
2. The stepgrandchild of one's parent's sibling.
3. The grandchild of one's stepparent's sibling.

My first step-cousin-nibling is a good person.

by Elivaldeq November 24, 2019

flu cousin

When you and another guy get cheated on by the same girl but both of you already fucked her and you both have her AIDS.

Guy One:Dude,I can't believe she used us like that,and now I have AIDS from her.
Guy Two:Bro I got AIDS from her too!
Guy One:Holy moly that makes us flu cousins.
Guy Two:Man let's go somewhere to eat,my treat.

by Quantum Ranger September 20, 2015

co-second-cousin-in-law

Spouse's second-cousin's spouse.

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

by JAMP12 September 21, 2021

double-first cousin-uncle

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

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

by Hgcloziw November 23, 2019

second-cousin-5X-removed

Second-cousin-five-times-removed (2C5R).

My second-cousin-5X-removed is a good person.

by N8953SW June 26, 2021

half-fourth-cousin

Half-4C: Person who, in relation to the other person, has zero parents, zero grandparents, zero great-grandparents, zero great-great-grandparents and one great-great-great-grandparent in common.

My half-fourth-cousin is a good person.

by ABGR June 9, 2021

octuple-fourth-cousin

Octuple-4C: Person who, in relation to the other person, has zero parents, zero grandparents, zero great-grandparents, zero great-great-grandparents and sixteen great-great-great-grandparents in common.

My octuple-fourth-cousin is a good person.

by ABGR June 9, 2021