Eschenbauch 

Hippy stank; the aroma of a hairy armpit after several days without the use of deodorant or bathing.

I like him, but if he goes even one day without a shower, he smells like an eschenbauch.

Eschenbauch by AshMorgan June 28, 2017

Eschelbacheran 

1. (adj) of or pertaining to one who has mad physics game
2. (adj) sarcastic and sassy

Wow, his physics prowess is almost eschelbacheran.

Eschelbacheran by PhysicsPro March 20, 2010