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1.
A term you use when a joke you use doesn't get any laughs or reaction. usually because there was too much thought into it went over your audiences heads. It is used as a reversal to save face and insult those around you because you made a crappy joke.
"....well thats just because she's really a man." (silence)... "oh sorry, smart joke."

"no? no one got that? smart joke!"
by sexy jesse May 04, 2010