Dude, That Is So Sic!

I was at this confab/seminar/sales show yesterday and one of the
presenters would, from time to time, throw in phrases I thought
grammatically passable but unusually casual. As I heard them, they
might read: "This is one of our more performin' systems!" or "IBM p6 is
really performin' when paired with this BI front-end!" Oh, OK. Kind of
like "bitchin'" or "smokin'" as polished up for the corporate set.

No. It's a "whole nother" word, and I hope you're hearing it here
first: performant.