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

Scheme cousins

(Scottish, Irish) The parents of delinquent children who commit constant criminal antisocial behaviour.

That family up the street, their mother and father refuse to do anything about their kids launching dog shite at the number 14 bus from the big bridge. Sometimes i wonder if they are actually inbred, like scheme cousins.

by Joe Smiff May 14, 2024

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

first-cousin-once-removed

1- Parent's cousin.
2- Cousin's child.

First-cousin-once-removed.

by Simaduria July 26, 2024

sesqui-great-cousin-uncle

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

My sesqui-great-cousin-uncle is a good person.

by Hgcloziw November 23, 2019

tenth-cousin-9X-removed

Tenth-cousin-nine-times-removed (10C9R).

My tenth-cousin-9X-removed is a good person.

by N8953SW June 26, 2021

third-cousin-3X-removed

Third-cousin-thrice-removed (3C3R).

My third-cousin-3X-removed is a good person.

by N8953SW June 26, 2021