A saying I could always remember when I was with a certain company was " It will be good experience for you ". This was usually always the prelude to disaster as it was a job/procedure that my line manager had already identified as being crappy/pointless/impossible.
Brainstorming was overused until it was killed due to epilepsy.
"At this present moment in time" - really grips my sh£t.
You can't say '**** me that's never going to happen' anymore. You can only say it'll be a challenge.
How about "Pushing the Elephant", or "The Envelope in the Room"...... or maybe that should be the other way round.