Top Definition
A style of miniature learning robot developed by Frank Peterson in the 1970s. It's small and innocent design hides it's darker nature.

Recent accomplishments of the jonaton include learning how to erase a whiteboard.

In the not so distance future, when Jonaton learns how to pick up a knife and the Robot Apocalypse will begin.
Steve: "Is that an army of Jonaton's, we're Doomed!"

Jonaton tells a humorous joke at a party.
Blake : "Looks like someone taught Jonaton how to make a joke."
by P.Hombre July 21, 2011

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