!) Tongue-tied, as in "having a Brewer Moment."
2) Totally dropping the verbal ball on a statement you should have down cold.
3) Sitting there in uffish silence with a pathetic deer-in-the-headlights expression when you should be dazzling them with brilliance (or at least befuddling them with bullshit).
From Arizona Governor Jan Brewer's notorious 13-second freeze-up at the beginning of a debate in September 2010.
I totally memorized my part for the performance, but I had a Brewer Moment because Jodie was in the back seat making faces.
If you aren't going to the Concert of the Year because you're too broke, agoraphobic, or datelesss, you can always meta-pose, i.e. sneer & say, "that scene
was a lot more happenin'
before the posers
got to it."