double-sister-in-law

Brother’s wife and spouse’s sister at the same time.

My double-sister-in-law is a good person.

by Rwopazaq November 24, 2019

eskimo sister in law

A girl that has fucked your eskimo brother but not you

Bro, I was about to get with this chick but she fucked Chad.

Dude, never fuck your eskimo sister in laws. That's almost incest.

by Callmedad42 July 23, 2017

half-co-sister-in-law

Spouse's half-sibling's wife.

My half-co-sister-in-law is a good person.

by Wonbig October 13, 2021

half-co-sister-in-law

Spouse's half-sibling's wife.

half-co-sister-in-law.

by Simaduria July 27, 2024

co-sister-in-law

The wife of one's spouse's brother.

My co-sister-in-law is a good person.

by Elivaldeq November 24, 2019

co-sister-in-law

Spouse's sibling's wife.

co-sister-in-law.

by Simaduria July 27, 2024

step-co-sister-in-law

Spouse's stepsibling's wife.

My step-co-sister-in-law is a good person.

by Wonbig October 13, 2021