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1.
-noun, a person that does not delight in the consumption of cupcakes or strawberry jam on white toast
"Naw, I don't mind downing a box of Honey Nut Cheerios with you. I'm no carbophobe."

Origin: Alan Aragon, 2011
by ghosting July 20, 2011
 
2.
A fad-diet obsessed person who refuses to eat foods containing carbohydrates for fear of gaining weight.
Ellen was such a carbophobe, she would throw away the bread from her sandwiches.
by P Dunk April 28, 2008