1 definition by Brian Adelman
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.
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.
by Brian Adelman May 2, 2010