diss-cuss Share definition Flag what every conversation between two or more males inevitably leads to- dissing someone or cussing without reason. dude i need to get over my ex,lets diss-cuss sam's love life over beer. diss-cuss by god4nothing December 29, 2009 0 0 Get merch Get the diss-cuss mug. Buy Now — $32.95 See more merch