The gang at NRO's The Corner has come up with the multiple meanings of "Getting Miered":
1. Good --
To put your own allies in the most untenable position possible based upon exceptionally bad decsion making.
2. Better --
While steadlily going in reverse in the driveway of your own home, intentionally abruptly pressing gas pedal as to crash into garage door for no apparent reason.
3. Best --
Getting used to everyone hating you except your core supporters and thinking what the hell, it'd be cool to see what it's like to have everyone hate you at same time.