Most forms of slang have a bit of that experience for me. The whole point of language is an attempt to make it possible to transfer information from one person to another. If someone is going to intentionally obscure what they are saying, they’re just being an asshole, making other people do mental work, either so they don’t have to (‘So I was, like, mluh’ instead of ‘I felt angry for being mistreated.’) or just to assert dominance. (using heavily obscurant slang their friend group came up with outside of the group, ‘totes mcgrotes crackin’ being used to mean ‘very horny’)