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1. Two or more people taking it easy on each other in order to not get hurt or suffer harsh consequences.

2. Most people do not like or care for their brother-in-law, so they are falsely nice to them.
Two teammates are lazily going through football drills.

Coach: Dag nabbit, y'all two quit brother-in-lawing it and hit each other!
by jb55 November 25, 2013
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