weechie Share definition Flag A weechie is a peach (vagina) and weenie (penis) combined. In other words known as a hermaphrodite. "I saw this huge weechie the other day, it was gross." Said Alyssa to Kyla. weechie by Lil Juhviva June 8, 2013 0 0 Get merch Get the weechie mug. Buy Now — $32.95 See more merch