Top definition
Refers to a sticky substance that is commonly used to fill or close seams or crevices.

A window or door caulking.

Silicone.
The carpenter used duckumpucky to fill in the cracks after installing the new window.
by ChuckWhitson December 28, 2008
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Cleveland Steamer Plush

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

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