(noun) A wildly unpredictable situation, person, or thing that unexpectedly becomes a hit or gains massive attention despite being chaotic or messy.
"That new indie game is such a slapwagon. It looks janky, but everyone loves it."
"The party turned into a total slapwagon when the karaoke machine caught fire, but somehow, it was the bestnight ever."
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."