ain't brassin' that noise Share definition Flag A phrase meaning a refusal to accept a situation or proposal. "So she said she wanted an open relationship and I'm like 'I ain't brassin' that noise.'" ain't brassin' that noise by PassingStranger April 13, 2008 0 0 Get merch Get the ain't brassin' that noise mug. Buy Now — $32.95 See more merch
