The term 'Cowboy coder' has been around for some time. Everybody's favourite unreliable source of knowledge has issues dating back to 2011: <https://en.wikipedia.org/wiki/Cowboy_coding>
This was already a thing in Usenet days, an example from 1998
https://groups.google.com/g/comp.lang.lisp/c/tfzX3Sq96Xk/m/0...
Re:D Programming Language
by arcadia_leak on Thursday February 12, 2026 @04:50AM
(#46986801)
Yeah, I just saw his posts too and picked up the term :)
Is this a Walter Bright alt? I've seen him use the cowboy programmer term a few times on the forum before.