talk out (the side of) one’s neck
v. phr.— «Only the sum of all these experiences would be able to make up Universe itself. of course i’m just “talking out of my neck” as we say in Dutch.» —“Synergetics—jitterbug, scale” by Gerald de Jong Usenet: bit.listserv.geodesic Dec. 3, 1994. (source: Double-Tongued Dictionary)
Further reading
Astronauts returning from space say they experience what’s called the overview effect, a new understanding of the fragility of our planet and our need to reflect on what humans all share as a species. A book about the end of the universe...
Cat hair may be something you brush off, but cat hair is also a slang term that means “money.” In the same way, cat beer isn’t alcoholic — some people use cat beer as a joking term for “milk.” And imagine walking on a...