Versicolour said:

Ok,  I don't know if the big obese girl almost getting run over by the horse was funny. Or the pig falling of of the horse was! Or, perhaps it was Dancing Donald the Duck?

It was definitely the Pig falling off of the horse 

No wonder all other counties loath americans, haha! It's because we are all nuts!

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The whole thing is a string of

I don't know if the fat girl is really that close but her absent minded strolling into scene to realize she is in scene and then booom horse.

Just really sets the surreal tone, then the fat cop drops, deadcat bounces and flops around  from the gear and inspite all humpty's fellow oinks can't get back up on said horse, with this abject failure fresh in mind we see dread locked donald duck drop it like its hot shaking his duck booty in open mockery of the felled pig now standing next their horse.