I've been hearing it for a long time now. First, with Jerry Trainer as Spencer Shay in this scene from iCarly.

Then there was this part with Bride of Discord's April Fools Day skit a few years back. At 3:50. :

And near the end of this corny Sonic Boom Off-Panel Comic Dub:

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That’s the rimshot. This one is different.

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https://en.wikipedia.org/wiki/Shave_and_a_Haircut

If you search down there is music audio that shows this.

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I wonder what Discord would say, if Fluttershy asks if that dress makes her look fat.
How long would Discord tolerate holding Fluttershy's stuff in the mall?

Married with Foals.
Oh, I would so watch that series.

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Ah, thanks!

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Anytime.