/jerst/ [based on the PDP-10 jump instruction, obsolete] To suddenly change subjects, with no intention of returning to the previous topic. Usage: rather rare except among PDP-10 diehards, and considered silly. See also AOS.
Try this search on Wikipedia, OneLook, Google
Nearby terms: JRL « JRMP « JRN « JRST » JS » JSA » JSDK