A defining point in any business, relationship or other human
engagement in which a peer or superior behaves in a way that eliminates any
traces of his/her
credibility and, consequently, any sense of purpose in continuing the overall engagement.
"Things haven't been looking
rosy for the company lately, but
the boss totally jump the shark when he said 'no big deal' after half the best employees quit on the same day. I gotta get a
new job - quick."