"ESH" means: An internet and Reddit slang acronym standing for 'Everyone Sucks Here' — a verdict used in the Reddit community r/AmITheAsshole (AITA) to i.... This is strong language and parents may reasonably want to discuss when, where and around whom it is used. It is not usually a sign of trouble on its own; many teens use such words to fit in with peers. A calm conversation about register, audience and consequences (school, work, family) tends to be more useful than a ban. Pay attention to the target of the language more than the word itself.