Top definition
A fictional organ in the body. Located between the ribs and chest. Slight jarring of the giggleplexus cause giggling.
The other day I went to the doctor because I couldn't giggle and he said my giggleplexus was broken.
by Gigglebro March 17, 2009
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Cleveland Steamer Plush

The vengeful act of crapping on a lover's chest while they sleep.

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