What is Korean's Onomatopoeia for English Speaking?

Dear Korean,

I have a Korean workmate who has a desk next to me at work. I was asking him about Korean onomatopoeiae, then I asked him: "When you were a kid were there any nonsense words that you used to pretend to speak English? He said no at first but then I pressed him a little. The he said: "Well, we do, but I'm too embarrassed to say them in front of you." So my question is: What are the nonsense words that Koreans say when they are pretending to speak English?

A. Marris

It's either "swalla swalla" (as if saying "swallow" with the last syllable changed,) or "shalla shalla". This onomatopoeia is not limited to mimicking English sound -- it is used to describe nearly all foreign languages.

A straightforward answer for a straightforward question. If only every question that hits the Korean's inbox were like this.

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