stepbrother-in-law 

1- Stepsibling's husband.
2- Spouse's stepbrother.

My stepbrother-in-law is a good person.

stepbrother-in-law by Wonbig October 13, 2021

Stepbrother-In-Law 

The title given to someones brother of sisters boyfriend if they're not married

Juan: Who's this Harry geezer?
Tom: Oh he's my sisters boyfriend, that makes him my stepbrother-in-law
Juan: Surely he's your stepbrother?
Tom: Nah fam, he's not married to my sister

Stepbrother-In-Law by why_am_1_doing_this May 1, 2019

stepbrother-in-law 

1- Stepsibling's husband.
2- Spouse's stepbrother.

stepbrother-in-law.

stepbrother-in-law by Simaduria July 27, 2024

stepmother-in-law

Spouse's stepmother.

My stepmother-in-law is a good person.

stepmother-in-law by Wonbig October 13, 2021

stepmother-in-law

Spouse's stepmother.

stepmother-in-law.

stepmother-in-law by Simaduria July 27, 2024