To cancel previously agreed upon plans last minute or just not show up.
I can't believe he would flake out! He said he would vote to advance Kavanaugh's nomination to the full Senate, however he just announced that he would support the nomination only after a delay of one week for an FBI investigation.
12 step recovery jargon referring to someone new who talks about how great life is, now that they'resober. Usually meaning that the person is out of touch with reality.
The new guy seems pretty happy for a dude who has no job, no money and no family. He must be on a pink cloud.