All tropes and genres are welcome -- slash, gen, het, femslash! AUs, fusions, and crossovers! Fluff and angst are adored alike! Go wild! Give us a single word, a sentence, or multiple paragraphs... it's all welcome.
And if you're a writer who wants to show some love to the prompts of past years, check out the prompts of 2012, 2011, and 2010.