Drew Brees got clean finessed by his jeweler -- and the only way to stop it from happening again is to get some gangstas on his squad ... so says rap star Rich The Kid.
We broke the story ... Drew filed a lawsuit against San Diego jeweler Vahid Moradi claiming the bling he bought from Moradi over the years -- around $15 million worth -- was actually worth MILLIONS less.
Rich is no stranger to ice (duh, rapper) so when we got him in ATL we asked him what he thought about the whole ordeal, and it's clear he thinks Brees took an L.