1 definition by Father of God
A technique used in male masturbation. Instead of stroking the shaft up and down, the motion is circular. Resembling the mashing of potatoes.
Steve: Hey man, what did you end up doing last night?
Tom: I got bored and tried The Mashed Potato.
Steve: What!? What was it like?
Tom: It was..... incredible.
Tom: I got bored and tried The Mashed Potato.
Steve: What!? What was it like?
Tom: It was..... incredible.
by Father of God June 28, 2010