Phonetic spelling of Joz, australian slang for a joint. Some Australians think it clever to replace the 'J' sound with a 'Y' sound, giving the word a swedish quality. Thus furthering the stereotype that australians are in fact, culturally retarded.
Stoner #1: "Yo dude roll us a yoz..."
Stoner #2: "Fuck man, that sounds swedish, you're like swedish or something."
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.