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.

sister-in-law

1- Sibling's wife.
2- Spouse's sister.

sister-in-law.

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.