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

by why_am_1_doing_this May 1, 2019

stepbrother

Parent's stepson and stepparent's son simultaneously.

stepbrother.

by Simaduria July 27, 2024

stepbrother-in-law

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

stepbrother-in-law.

by Simaduria July 27, 2024

stepbrother

The son of one's stepparent by a marriage other than with one's own parent.

My stepbrother is a good person.

by Wonbig October 13, 2021

stepbrother#7986

sexiest male on earth, attractive to literally everyone, ideal male

Guy #1: I think i'm gay for stepbrother#7986
Guy #2: We all are

by definetly not stepbro August 13, 2021

stepbrother

Stepparent's son (parent's stepson).

My stepbrother is a good person.

by Coldandhot October 14, 2023