"Gurgling" is a word used to describe the sound made when something liquid flows or bubbles rapidly, often sounding like a mix of swirling and bubbling noises. Full definition
As I swam, all I heard were the waves, rising and tumbling onto shore, the smooth rhythm of my hands splashing into the water, the breaths that I drew into my mouth and lungs, and the long gurgling of silvery bubbles rolling slowly into the sea. (bookbrowse.com)
He tries really hard to talk but all he can come up with is Ahh Ehhh or lots of gurgling sounds like «Aga» and «Aka». (day2dayparenting.com)
The answer, if you're not mad, or so rich that you'll happily spend a third of the cost of the cheaper option on the novelty of sucking the abstract digital essence of said game down the internet pipes while making gurgling noises to yourself, is that you run laughing from Nintendo's eShop, stopping only occasionally to turn, squint to double - check you have just seen what you've seen, realise that you have, point, and run away laughing again. (gamesradar.com)