Maggot
Gross, gross words. The interesting thing about them is that they’re so image-inducing. When you hear the word, your mind’s eye seizes upon it, and then you cringe because it’s, well, gross. These 15 words were culled from your suggestions, so thank you very much. We think.
We lead off with maggot, a soft-bodied, legless larva of certain flies. Imagining a “soft-bodied legless larva” alone is enough to give you the willies. Besides, it’s a bug, and bugs are inherently gross to some people. Admit it, if someone says they love those “cuddly” little tarantula spiders, you raise an eyebrow, right?