1 definition by Heinie
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
knocked up a month ago.
2. When you take it easy on another person because you know
them, esp. in sports
1. My sister got married and i cant stand my new brother-
in-law.
2. Dont be actin' like a brother-in-law when playin' football.
in-law.
2. Dont be actin' like a brother-in-law when playin' football.
by Heinie June 6, 2009