Top definition
A person who possess chromosomes that make them appear retarded. These people usually also have an unusually low IQ(under 80)

can be brought on by genetics.

parents are usually former/current druggies.

these people sometimes drool in public.
Eric: Go get me some wood glue.
Tom: what do you do with wood glue? does it taste good?
Eric: You are such a chromo-tard.
Steven: yeah dude, your fucked up.
by g-diggity June 10, 2006
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