Top definition
When a man places his penis or taxidinker into a jar full of water to make it look bigger.
Kyle: "That's fucking disgusting dude, get that wonder jar out of here."
Nick: "It's not a wonder jar... I just fell dick first off the balcony at a mason jar factory."
Kyle: "Your dick is small and ugly."
by CATFOOODS February 02, 2012
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