Define Mashed Potato Johnson Meaning

Mashed Potato Johnson
During sex, One gets a hot bowl of mashed potatoes,and spoon feeds his partner with his penis.Also he can use his penis like a catapult to Fling the Mashed Potatoes into his partners mouth.

Did you bang her yet?
>Yeah,we did freaky stuff,I gave her a Mashed Potato Johnson and It flung into Clarissa's eye
By Xena