Basically craving for food and eating it and not gaining a pound.
Some Greek kid named Chris is mentally fat and always craves Steak and sushi.
an intellectual state in which one is of well below average intelligence.
100% of the time, the mentally fat person is completely unaware of their intellectual condition.
Note: Physically attractive people can most certainly (and often times are) mentally fat.
Man, she was so hot but seriously, that girl is so goddamn mentally fat I could not stand another second in her presence.
5👍 8👎
A term that can be used to describe someone who is lazy, or even just stingy. A person who hogs all of their food, even if a starving person asks politely.
Wyatt: "I didn't have any breakfast, and Spencer is being Mentally Fat."
Spencer: "I'm not fat!"
Wyatt: "I said you were Mentally Fat!"