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When person is so intelligent that nourishment loses all its meaning and the person eats only macaroni and drinks water.

Macaroni in this case refers to all pasta related products, but not some delicious pasta, but shitty ass pasta, and to reach full macaroni level one must not just eat poorly, but also excel in intelligence enough to casually abolish all physical needs.
"That guy's too smart for his own good, he's gone full macaroni."
"He's reached full macaroni level of intelligence."
via giphy
by Not full macaroni yet August 23, 2017
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