What do boys think of girls who have a habit of biting their lower lip? May 14, 2022 by Ask ✅ Answers ? Best Answer Oh gawd please don’t tell me you’re asking this because you do it, and you just got done reading that dumb **** 50 Shades of Grey? It’s weird! specially if it’s out of no where! Lol But if flirting then maybe it’s okay 🙂