/‘sibl(ə)nt/ n. Pl. 1. A joint name for uncles and aunts. Portmanteau of “siblings” and “parents.” 2. One’s parents, uncles, and aunts considered collectively.
Original Definition: A joint name of uncles and aunts taking from sibling and parents.
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.