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-in-law

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

stepbrother-in-law.

by Simaduria July 27, 2024

Step-brother

Feeling stuck? I’ll help you with some fuck.

Step-brother I’m stuck, what are you doing to me?

by Lord_6th December 8, 2019

Step Brother

A term that is used when Two friends who aren’t related come up with an act to distract those around them from the true discovery of having no relation

Who’s that guy you showed up with? That’s my gay Step Brother.

by B4noobz21 May 28, 2018

Step-brother

Horny potato smiley

Girl- *sits on bed whilst watching peppa pig porn*
Step-brother- licks girls toes
Girl- step bro what are you doing

by Habribo February 10, 2021

Stepbrothering

To rub your scrotum on something, as seen by the scene in the movie "Stepbrothers" starring Will Ferrell and John C. Reily, where Will Ferrell's character rubs his ballsack on John's drumset.

Simaliar to teabagging.

I just STEPBROTHERED your face.

Pfft. Only noobs stepbrother after a double kill.

I just was caught Stepbrothering.

by Ol' Betsey April 21, 2009

stepmother

the fattest uglyest stupidest bitch you will ever meet. this woman treats her both blood realated and step children like shit. this woman is unbearable yet her husband wont stand up for his kids and chooses his ugly stupid wife over them.

older sibling: my gosh i cant stand that woman, why did dad marry her.

younger sibling: they have a paris hilton tinkerbell relationship. dad is paris and her pet/ our stepmother is tinkerbell

by she-izzle February 21, 2007