when a really white group of girls switch one brown friend for a more brown friend without taking personality into account just trying to make themselves look better. In some cases even to be able to say the n word or to look cooler.
"wow did you see that Alma got brown swapped for Tracy "
"white girls that brown swap are a new low tbh"
Nickname given to bales of marijuana thrown overboard or out of airplanes. Origin is reportedly from members of the US Coast Guard in the area of Southern Florida.