The story
From brother + -out-law, by analogy to brother-in-law.
Etymology from Wiktionary, CC BY-SA 4.0.
brother-out-law
Today it means: The brother of one's boyfriend or girlfriend. Full definition →
Today it means: The brother of one's boyfriend or girlfriend. Full definition →
From brother + -out-law, by analogy to brother-in-law.
Etymology from Wiktionary, CC BY-SA 4.0.