My co-sister-in-law is a good person.
by Elivaldeq November 24, 2019
Get the co-sister-in-lawmug. 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 10, 2020
Get the My sister in lawmug. The sacred sister law states that “If you find news or information that makes you feel uncomfortable, you must share it to your sister”.
The sacred sister law: Brit and char are sisters. Brit found a video about an onion that made her feel uncomfortable. Brit shared the video to Char.
by Shhhitsbrit November 21, 2022
Get the The sacred sister lawmug. My half-sister-in-law is a good person.
by Wonbig October 13, 2021
Get the half-sister-in-lawmug. 
Get the step-co-sister-in-lawmug. 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 17, 2020
Get the Sister-in-lawmug.