Definitions by The oldest, Scintilla

Downosaur 

Someone who walks like a dinosaur

Sjoerd is a real downosaur

Downosaur by The oldest, Scintilla January 26, 2023

genootschap 

C.T.S.G. Alembic

Alemic is the oldest genootschap but not the oldest association.

genootschap by The oldest, Scintilla June 9, 2022