co-sibling-in-law

Spouse's sibling's spouse.

co-sibling-in-law.

by Simaduria July 27, 2024

C-Sibling

C-Sibling are cousin that are practically siblings. There blood related which means there family.

My C-sibling lives in a different house (C-brother/C-sister)

by Picamos November 26, 2021

sibling foreplay

When two people act as familiar as siblings and yet the sexual tension is clearly palpable.

Quit with the ol slap and tickle this sibling foreplay is just about intolerable.

by oracle of umph October 14, 2015

Eskimo Siblings

2 partners that have had intimate relationships with the same partner.

Hey that was an awesome orgy! Lol, Were all Eskimo Siblings now!

Omg we are eskimo siblings, we both hooked up with that guy/girl.

Its so awesome to date an eskimo sibling

by Julianking February 07, 2025

Siblingaling

An all encompassing term, describing the aggregate total of all of one's nieces, nephews, and all other self identifying of "baby cousins".

Suzanne can do what she wants. You'll still be my favorite siblingaling Mads. Until my immortal presence is extinguished.

by Kamikaze Possum September 26, 2024

sibling snatcher

when a thot and her man break up so she fucks with his brother too cause shit why not

she's sucking his brother's dick? she's such a sibling snatcher!

by mcmaddo March 18, 2017

Sibling Hate club

A hate club that is against your siblings

Person : have you heard of the "sibling hate club" ?
Me : yes I made it

by MikanTsumikiCosplayer October 16, 2021