A complex phrase used to qualify a declarative statement. Commonly used to clarify you are not an expert on whatever it is you're talking about.
Synonyms: "I'm not an expert, nor do I claim to be"
I'm no jazz blogger, but you should use your turn signal more often.
I'm no jazz blogger, but that bartender over there is fucking ugly.
I'm no jazz blogger, but I am smarter than everyone else.
Could be an adjective for things that are incredibly awesome. Can be a placeholder for bruh. Or, alternatively, a placeholder for poggers. Really, it works anywhere as long as you think it works.
“Dude, this pizza is so bruggers!”
“Yeah, man. I love it.”