Flying rats ass Share definition Flag Used in a sentence to describe someone who doesn't care or give a crap.... When Pickle asked me if i knew Gatteaux boo boo'd on the flo i told him i didn't give a Flying rats ass. Flying rats ass by JOLE BLON April 26, 2008 0 0 Get merch Get the Flying rats ass mug. Buy Now — $32.95 See more merch