"Schmucks" is a Yiddish slang term that's often used to describe someone who's foolish, incompetent, or unpleasant. It's not a particularly polite term, so it's best to find other words to use when you want to describe someone negatively. Some synonyms for "schmucks" include: idiots, imbeciles, fools, nincompoops, morons, bozos, blockheads, nitwits, numskulls, doofuses, dimwits, and ignoramuses. These words all convey a similar meaning to "schmucks," but they're less offensive and can be used in more polite company. When you're trying to describe someone negatively, it's important to choose your words carefully to make sure you don't offend anyone or come across as overly harsh.