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The process of expelling a brief burst of air out of one's nostrils to signify mild amusement. Usually performed when reading online forums or comments.
"I would say I LOL'd, but in reality it was a nosepuff. Here, have an upvote anyway."
by baggachipz! March 04, 2013
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When something online is fun enough to warrant a response but you're alone in your room and laughing is excessive so you exhale lightly out of your nose.
*Watches video of sneezing panda*
*nose puffs*
by Biblorino November 20, 2017
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