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A combination of mashed potato and mashed pumpkin, mixed together, usually by old people who have strange, old fashioned eating habits such as these, or parents that are trying to get their children to eat their veges.

Either way, usually disgusting.

Credits to Lani. that potumpkin on my plate?
by BrezLou March 18, 2008
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Potato and Pumpkin all mashed together, that creats Potumpkin.

Look likes orange potato!
Mum cooked some sweet ass Potumpkin for dinner tonight!
by The potumpkin girl! May 22, 2009
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