creep — When people or animals creep somewhere, they move quietly and slowly.
crud — You use crud to refer to any disgustingly dirty or sticky substance.
degenerate — If you say that someone or something degenerates, you mean that they become worse in some way, for example weaker, lower in quality, or more dangerous.
deviant — Deviant behaviour or thinking is different from what people normally consider to be acceptable.
dip — to plunge (something, as a cloth or sponge) temporarily into a liquid, so as to moisten it, dye it, or cause it to take up some of the liquid: He dipped the brush into the paint bucket.