Does anyone understand this joke?

[benny3008]

Why do mice spin?

Because the higher the fewer.

????? I don't get it. Anyone here get it?

[sophie_1003]

i think the best thing to do would be ignore the steam engine stuff and just assume it's what no-knowledge said, the moral of the story is just admit to it when you don't get jokes rather than laugh along for the sake of it!

[dothawkes31]

It's the Kings New Clothes of jokes in one sense, but incrediblt profound in another : )

[Marvel]

I get it, but i am not telling anyone.

[dothawkes31]

'except' the truth????????????????????????????????????????
????????
I shall try to except the truth in a mocking cruel way that only you can understand lol