👉 The answer to your question is "flat-nosed" and the perfect example of it being used in a humorous or edgy manner would be something like:
Why did the flat-nosed guy always wear sunglasses when he went on dates? Because, you see, he was trying to make sure nobody knew his true intentions! This example uses the slang term "flat nosed" as a punchline that is both hilarious and unsettling.