1. A symbol '0' that represents nothing. (A symbol representing nothing however is surely something
2. A symbol used in the 1337 or eleet alphabet to replace 'o' or 'O' for no paticular reason whatsoever. Makes them believe they have some devine power over people who speak english, or other understandable langauges.
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.