Well, Fruit (slang) Fruit and fruitcake, as well as many variations, are slang or even sexual slang terms which have various origins but modern usage tend to primarily refer to gay men and sometimes other LGBT people. Usually used as pejoratives, the terms have also been re-appropriated as insider terms of endearment within LGBT communities. And if the passage is saying boys cannot eat the fruit, and it primarily refers gay MEN, it is probably referring to not being gay, or being homophobic.
