pencil bitch Share definition Flag 1. Someone who doesn't want to share his or her pencils. 2. A skinny bitch. 1. I needed a pencil but the pencil bitch wouldn't let me borrow one. 2. She so skinny, she a pencil bitch. pencil bitch by HarryMcFartFace April 29, 2015 Get the pencil bitch mug.