arbaritum 

it stands for deadly nightshade

he used to “arbaritum”

arbaritum by ppwolf_699 September 8, 2020

Akbarium 

Another word for a mosque: a building where they frequently say 'allahu akbar' (god is great). Typically, these types of constructions are 'akbar'; large, distinctive and loud.

I'm regularly shaken out of bed before sunrise every morning because of that akbarium down the road.

Akbarium by festkjeppene September 23, 2013

anal arboretum 

1) A botanical garden living in someone's asshole
2) Someone who enjoys woody objects shoved in to their rectum

"When I fart, it smells like lilac"
"That's because you have a fucking flower garden in you anal arboretum"

anal arboretum by Nutzen YerMouf February 9, 2018

arboretum 

1. A place where everybody belongs to a clique (because everyone has labels, like the plants in an arboretum). Sometimes shortened to arb.
2. Used to describe when simple-minded people n00bs move online acronyms over into real life, labelling their emotions with acronyms.

1. "Mike's not a jock, he's not a bad guy, this ain't an arboretum"

2.'Tard: "Ell Oh Ell"
Me:"Hey Dipshit, this is not a fucking arboretum."

arboretum by crazygoatemonky July 16, 2008