Top Definition
Originally referring to a specific joke (where a leaf has no money for a taxi), the term "leaf joke" now applies to any lame joke that you and your friends tell to outsiders, laugh at, and pretend is funny.

This results in a lot of confusion by the outsider, and they'll think they've missed the point... and typically laugh so they look like they "get it".
The Leaf Joke (ending):... and the dim sim said "No"


Outsider: (what??) Oh! Yeah! hahaha!!!
by TwentyMayBeTwenty May 14, 2010

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