[THX 1138]

This guy just can't keep his mouth shut. He has to tell everything to everybody.

[Clara Lou]

This guy just can't keep his mouth shut. He has to tell everything to everybody.
You know, I looked up "blithering" to check its meaning. It's believed to be a combination of "blathering" and "dithering," which makes it the perfect descriptor for Wilson-- a yapping do-nothing (of significance).