Oliver Gettell
October 27, 2015 AT 12:00 PM EDT

Charles M. Schulz, creator of Charlie Brown, Snoopy, and the rest of the Peanuts gang, was never particularly interested in adults, so they tended to exist offstage in his comic strips. And when subsequent screen adaptations called for grown-ups to be heard from, their voices were famously rendered as a series of droning “wah wahs,” which perfectly encapsulate how it feels for a kid to be on the receiving end of a lecture.

That tradition continues in The Peanuts Movie, and to promote the upcoming animated adventure, Fox has unveiled the Wah Wah Machine, an online widget that translates typing into adultspeak.

Operation is simple enough. Type in a phrase — “Clean your room,” for example, or “How was your day?” — and the machine spits out a nostalgia-inducing string of wahs. It’s never been easier to sound like a grown-up.

The sounds, by the way, come courtesy of Trombone Shorty (nee Troy Andrews), a 29-year-old jazz musician from New Orleans. He and his trusty instrument provide all the adult voices in The Peanuts Movie, which opens Nov. 6.

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