Top Definition
The state of being slow,usually noticing things everyone else knows already or being the last one to get a joke.Not exactly retardation,just slow thinking.
John started laughing out of nowhere,i asked him what was wrong and he said i finally got that family guy joke from last year,total mental re-tardy.
by Davion Williams April 10, 2009
6 Words related to [mental re-tardy]

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