At the bar, my friend was "flapping cheeks" about waking up early and getting on the mountain at 9:00 to go snowboarding. It's still noon and I haven't heard from her.
Over drinks and dinner last night, my boyfriend "flapping cheeks" when he said he would mow the lawn the next afternoon. The next day, he forgot that he had "work" to catch up on and didn't have time.
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.