snothouse I think that he's saying "kicky". Bert has referred to vests as "kicky" before. I also think this may be a Steve Whitmire era Ernie. (sits back down)
robotkarateman I'm thinking it's "kicky" as well, but Bert's closing comments are so off the cuff they make up for it.
Deraleak "Not emotionally secure enough"??? This is not the ST I remember from my childhood. Also I agree that he says "Kicky", which is less disturbing yet possibly more confusing.
TheDevilsDictionary I watched this on PBS (1yo son) and "Not emotionally secure enough" came across to me as one of the many funny little lines they put in Sesame Street for adults who are watching. There are a lot of lines like this. I imagine they were there back when I watched in the early 80s, but I wouldn't have caught them as a 5 year old.