bro-in-lo
n.—Gloss: Brother-in-law. «No, your crazy bro-in-lo cannot pack heat in our ICU.» —“I can’t believe I’m having to go over this again” by Jo (Johanne Bertha) Head Nurse Mar. 28, 2009. (source: Double-Tongued Dictionary)
Further reading
In 1968, students at Cheyenne High School in Cheyenne, Wyoming, compiled a collection of their own slang, including the word Clyde, used to refer to one’s head, as in Use your Clyde! This is part of a complete episode.
Related
We use the term Milky Way for that glowing arc across the sky. But how people picture it varies from culture to culture. In Sweden, that starry band goes by a name that means “Winter Street,” and in Hawaii, a term for the Milky Way...