maxiboy Share definition Flag Maxiboy is someone with a huuuuuuuge cock. All the girls wants him. When he looks a girl in the eyes she will run directly to him and beg him to fuck him Omg that guy has the biggest cock i’ve ever seen. It must have been Maxiboy maxiboy by Esketit69 May 21, 2018 0 0 Get merch Get the maxiboy mug. Buy Now — $32.95 See more merch