The fifth power of a thousand, i.e. 10^15, as opposed to a short-scale quintillion which, irrationally, is the sixth power of a thousand, i.e. 10^18, and a long-scale quisntillion which is the fifth power of a million, i.e. 10^30. "Pentillion" belongs to a consistent system for naming large numbers proposed in 2001 by a member of the University of North Carolina.
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.