Meaning:
Lit. “went to fuck” as the verb “jebać” is a somewhat more vulgar-sounding choice to similar ”pieprzyć”, “ruchać” or even “pierdolić”. The expression is used to angrily point that some resources invested have been wasted without bringing any value and cannot be retrieved any more. This can be said if you simply spend some time on a task to no avail – or if your company has dedicated a big money and organizational effort to a project and reapt no harvest.
Occasionally this expression is used if something (like a car) simply breaks down or is destroyed, to stress that it is now lost and you won’t benefit from it any more.