Jettard is a word that has developed its use from the freeware game Tremulous, in which a member or multiple members of the human team (usually noobs) grab a jetpack and generally accomplish nothing while in the air.
"that jettard tried to saw a goon in mid-air, what the hell was he thinking?"
A clever combination of the words reject and retard. Meaning that you are thick as two short planks held together with stupid glue, and that you have no friends. The ultimate degradation is to be called a jectard.
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.
"Base we've got some square groupers floating outside of Miami harbor."