(idiom) an informal expression used to express that something has changed--usually for the worse--or that situation has developed into a particular state of affairs
Cultural context: "To where (it's)" is an effective and efficient communication tool. However, there is a socio-economic divide regarding it's usage. The expression is most often employed by
yokels, commonfolk, and blue collar types. It is rarely used by their highly educated
white collar counterparts because the phrase is foreign to some and consciously eschewed by others (e.g. the factions of yuppie douchebags who think their
shit don't stink and pedantic stick-up-their-ass intellectuals who cherish proper grammar and strive to speak in paragraph form.)
Example:
"to where": The shift supervisor is never satisfied with our production numbers no matter how much we exceed target. It's gotten to where we're asking ourselves why we even try anymore...
"to where (it's)": Sure,
the Mustang still runs like a
raped ape, but sometimes the transmission sticks to where it's nearly impossible to short-shift
on the drag strip.