Any taxi, car, minivan, motorbike, hovercraft or other method of automotive vehicular transport seen in the vicinity of a popular nightclub or bar, intent on ferrying gaggles of intoxicated mid-twenties women; either as fare or as an attempt to gain sexual favours.
"Dude, we're not going to get a cab from here. These are all slagwagons."
Jennifer's friends convinced her there was nothing wrong with getting blind drunk and taking a slagwagon home.
(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 best night ever."
When some resigns or retires from a job, they are on "eternity leave". This can also refer to someone who has passed away, especially someone who worked somewhere for a long time, retired/resigned, then passed away later.
Oh I'm sorry, you didn't know that Kelly is on eternity leave? She resigned and moved to Hawaii!
With regrets I would like to inform you that my boss is officially on eternity leave. I will never see or hear them again. Ever.