When you're so filled with rage your body literally contorts in an attempt to cope with it. It is most common among children under five, but it happens to adults just the same.
When we told Jessica she couldn't go to the park she broke out into a vicious temper stretch, she looked like Linda Blair in the Exorcist.
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.