All dialects of English are on topic and welcome. Just make sure you give sources for your definitions when they come from dictionaries and cultural and geographical background if your answer is based solely on personal experience.
I would, however, avoid calling a something absurd just because it doesn't conform to your own experience and your own ...
ELU is for linguists, etymologists, and serious English language enthusiasts -- in other words, specialists. Specialists have their own jargon, and they use it routinely to communicate clearly and succinctly with one another.
Among ELU users, you are likely to see jargon that includes abbreviations such as AmE and BrE.
Rather than asking these specialists ...
(Don't know what this adds to @MetaEd's excellent answer, but here goes.)
I really don't think this is a problem (at least it's never been raised in meta before.)
Some background might help to understand the pushback*, the downvotes, and the range of opinion.
For years, EL&U has been struggling to be a site for "for linguists, etymologists, and ...
No, there's no perfectly correct dictionary, but the Oxford English Dictionary (OED) will probably get you what you want.
There are a number of issues you bring up.
'Correct' for a dictionary is a strange usage. Does one typo make it 'incorrect'? Do a handful of oversimplifications make it 'incorrect'? I don't think you mean or ...
Some more references:
OED online At the end of an entry are usually pairs of words starting with the target word.
You get free access to the OED online if you have a public library card number in the US or UK). You may have to access through your public library's website rather than directly through OED's sign-on.
Google Book NGrams search If you search ...
With English as a language there are the basics which are relatively common, but there are a lot of words and phrases that are localised slang or colloquialisms.
If I am talking to someone (especially online where their initial confusion is not obvious) who is not a native English speaker, or to a lesser extent someone who is not a local English speaker ...