Top Definition
A word used to describe the level of a joke. The idea of a joke that does not result in a laugh, or a chuckle for that matter is a Millichuckle. Not worth the air for a chuckle. Has been rated on a scale of 1-10, 10 being best.
Bob finished his joke near the office cooler, he had been working the joke over in his mind for the last 24 hours. Now at the finale of his joke, the room was silent - not even a MilliChuckle.

Then from the silence, the voice of Arthur in accounting could be heard from the back row, "Bob your joke barely had a Millichuckle rating of 3 man, don't quit your day job."

The office laughs.
by Beer 30 April 22, 2011

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