BabyCarrot Share definition Flag A small, baby penis. Usually under a 9 inch standard and often found in places where a "Peta" member is. I saw that guy nearly get his babycarrot taken away by that girl's pussy monster. BabyCarrot by MuppetMania December 16, 2011 0 0 Get merch Get the BabyCarrot mug. Buy Now — $32.95 See more merch