Lil' O Share definition Flag Meaning a male that is acting like a {bitch, or woman Friend 1: You need to quit actin' like a Lil'O!Friend 2: What's a Lil'OFriend 1: A Lil' O bitch! Lil' O by Sexual Choclate, Kinky Kong October 10, 2013 0 0 Get merch Get the Lil' O mug. Buy Now — $32.95 See more merch