watermelon
n.— «We have one for the greens—”watermelons” (green on the outside, red on the inside, i.e. closet commies).» —“Fun With Political Hate Speech” by Dean Esmay Dean’s World Apr. 25, 2004. (source: Double-Tongued Dictionary)
Further reading
A remarkable new documentary explores the world of amateur and professional mermaiding and the language bubbling up within it. Some mermaiding enthusiasts greet each other with a friendly “Shello!” Plus, an adoptee wonders what to call...
Sarah from St. Augustine, Florida, asks if there’s a word for the accent we inherit from our parents. One useful term is idiolect, the unique blend of language each person speaks, and the handing down of speech habits from elders is called...