Even at its trashiest the movie keeps bumping along.

All in all, a polished and witty bit of male sexual panic.

Nicholson doesn't need special effects; he is one himself. Yet on balance, the film is mostly an outrageous, foul-mouthed good time.

This is a remarkably faithful rendition on film of a most diverting novel, showing that, in the right hands, movies can achieve all the delights of literate entertainment.