Boy or man who has the same two parents in common with someone.
My full brother is a good person.
Male that has one parent in common with another living being.
My half-brother is a good person.
Male that has one parent in common with other living beings.
My half-brother is a good person.
Male that has one parent in common with another living being.
Mars is Earth's little brother planet.
Robots are exploring Earth's little brother.
A person whomst you share a sex partner with.
Alternatively: Two people who have had sex with the same person
If you also fuck Karen, we’ll become pole brothers.
Alternatively: Did you hear that Isaac and John are pole brothers? They’ve both pounded Hilary!
Worse that “your mom gay” and “your dad lesbian”
Noah: Your mom gay.
Joe: Your Brother Bi
Noah: Dies