What is Mental Giant?
1.
Someone who is real good at pointing out the obvious. Usually the idiot of the group who is trying to sound smart.
"Check out the grass, ITS GREEN!!"
"wow, you're a real mental giant aren't you"
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your mother was a hampster, and your father smely of elderberries.
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the most talented member of pop group mcfly.
full name - Daniel Alan David Jones
originally from bolton.
as his own recording studio..