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.
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

Auntie Alpha and Uncle 1 have child ABC
ABC is your cousin
123 is the opposite family cousin
You have no direct relation to 123 beside being your cousin cousin
123 is a cousin squared
ABC is your cousin
123 is the opposite family cousin
You have no direct relation to 123 beside being your cousin cousin
123 is a cousin squared
by Condescending Loser April 17, 2024

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

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.
2. The stepgrandchild of one's parent's sibling.
3. The grandchild of one's stepparent's sibling.
by Elivaldeq November 24, 2019

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

Spouse's second-cousin's spouse.
My co-second-cousin-in-law is a good person.
by JAMP12 September 21, 2021

My double-first cousin-uncle is a good person.
by Hgcloziw November 23, 2019
