I never liked the film much., As I remember, it was all about a man who got himself into bad situations and had no idea why he was there or what was happening around him. As films do, fortune saved him and "alls well that ends well" - but I thought the whole point of the film was that he was
A few beers short of a six-pack.
A few peas short of a casserole.
Missing a few buttons on his remote control. - and so on...