third cousin-niece

Third cousin's daughter.

My third cousin-niece is a good girl.

by Hgcloziw November 23, 2019

13.5-tuple-fourth-cousin

13.5-tuple-4C: Person who, in relation to the other person, has zero parents, zero grandparents, zero great-grandparents, zero great-great-grandparents and twenty-seven great-great-great-grandparents in common.

My 13.5-tuple-fourth-cousin is a good person.

by ABGR June 9, 2021

sester-third-cousin

Sester-3C:
Person who, in relation to the other person, has zero parents, zero grandparents, zero great-grandparents and five great-great-grandparents in common.

My sester-third-cousin is a good person.

by Gerald128 May 15, 2021

Half-Cousin

Half-Cousin

Half-Cousin

by Angel234IsTheDarkSeraphim March 21, 2025

Second Cousin

A Second Cousin is when your Niece/Nephew has Children, Their Children are your Second Cousin(s)

N/A 1: Did you know we're Second Cousin?

N/A 2: No, I didn't!

by QU33N1E August 4, 2022

Cousin Squared

When you have a cousin related on both sides of your family.
When a set of siblings marry another set of siblings - both marriages have children and they are cousins squared.
Aka cousin to the power of 2.

Can’t wait to go out tomorrow with my cousin squared.

by Cousin^2 November 16, 2019

Belly Cousin

Male friend who have had sex with the same female. Similar to "tunnel buddy"

Mike: I had sex with Alyssa last night.

Jon: Oh, shit! I used to hit that also! We're belly cousins!

Both: *high five

by Flyboy87124 October 29, 2020