Rat Share definition Flag Someone who is gross and dirty and just all around terrible. I use this to describe most people...I think it’s getting out of hand. Friend: “Omggg becky! lookkk at herr” Me: “I knoww like she’s a rat” Rat by yungnigga335 April 6, 2019 0 0 Get merch Get the Rat mug. Buy Now — $32.95 See more merch