First occurrence: 1946; Mentioned in Ype Poortinga, »Elbrich«, vol. I (Snits [Sneek], [1947]); NB: Unfortunately, the reference mentioned in WNT is inactive (yet) as a link [ws, Nov. 2021].
Sources
Web
WNT (»Poortinga) [NB: To enable reading the entire text, the page needs to be "unfolded": Activate subbetekenissen ▀ | citaten ▀ (➺ top left), or click on + | ↪ (in the text); ws]