Mild and forgiving towards others regarding their act of resting part of their weight against something (or someone!).
People with new/shiny/expensive vehicles are not known for being particularly leanient regarding anyone's resting part of their body against said fancy-pants parcels of sheet-metal.
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.