brother-in-law
1. The dude who joined your family because your sister got
knocked up a month ago.
2. When you take it easy on another person because you know
them, esp. in sports
Synonyms for brother-in-law
On this page, you will find 30 slang terms related to brother-in-law. Some of the top words include: sisterhood, alimon, mom, hansel and gretel, lylas, and 25 more.