a term used to describe the act of vigorously stroking the penis at a pace that generates a ‘mashing’ sensation. Also closely related to 'mashin the nana'.
by tripppers October 24, 2011
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"50% of us is banana, 50% of us is potato, that fuck is a total mashed potato banana"
"50% of us is banana, 50% of us is potato, that fuck is a total mashed potato banana"
by Mashed Potato Bananananananana July 20, 2017
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