Top definition
When two people in a conversation think of the same joke, or pun, at the same time.
Can be used like the popular usage of "Jinx" after two people say any word at the same time: when both people say, or know that the other is thinking, the same joke, punchline, retort, or pun, they can both say: "Simulpuneity!"
by serendipidoc April 15, 2010
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