Someone who continuously has sex with and desire the intellectually disabled.

1. a person, usually an Irish/Native American male, who fucks potatoes on a daily basis because he does not masturbate
2. the person who creates mashed potatoes for the school
3. a person who also enjoys fucking other various edible and nonedible objects such as fajitas and shit

One who enjoys the very cheesiest of tacos. Said vagina is generally so engulfed is a puss like substance that it is barely distinguishable from a bowl of mashed potatos.