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
Get the Mashing the Bananamug. "Man, that Lachy fuck is such a mashed potato banana,"
"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
Get the mashed potato bananamug.