rentagob Share definition Flag meaning - someone who talks excessively. (unlikely) putting up a notice that their mouth is for rent. These people are usually disliked by many for being a know it all. That Dave Casey is a total rentagob, my he jus wont shut up! rentagob by Adrico December 14, 2004 0 0 Get merch Get the rentagob mug. Buy Now — $32.95 See more merch
