The phrase "little brass" refers to a person who talks a lot and confidently, but lacks the ability to back up their words with action or skill. Full definition
After the teaching, they passed around little brass plates. (redeeminggod.com)
I got my vintage bar cart and a gorgeous antique mirror along with lots of little brass accents there over the years. (danielle-moss.com)
This sweet little brass hand was one of those things I just couldn't pass up and how lovely it is for holding a few flowers from my yard. (oldthingsnewblog.com)