Sister-in-law

The person who will ruin your wedding.

My sister-in-law ruined my wedding by demanding I pay for her wedding and starting a family fight. Of course my mother-in-law took her side.

by Xxxxxxxxfanboyxxxxxxxxxx November 18, 2020

My sister in law

Someone who’s a whore.

My sister in law married my brother. She is a whore, I bet she doesn’t know who their kids fathers are because let’s face it, she’s a nasty loosy whore hoodrat tramp.

by Bawston69 August 11, 2020

half-sister-in-law

Spouse's half-sister or half-brother's wife.

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

by Rwopazaq November 24, 2019

half-sister-in-law

1- Half-sibling's wife.
2- Spouse's half-sister.

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

by Wonbig October 13, 2021

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