<span class="cf0">Young users will often use 9/99 on websites that support real-time and rapid chat functions like Snapchat, Instagram DM, Discord, Roblox, Fortnite, and gaming chat. When a parent walks in or out, these environments do the updates instantly. Numeric codes are less cumbersome and quicker than complete sentences since most conversations require fast back and forth texting. The slang usage is the most common among teenagers and preteens who are in group chat rooms or online games where privacy is quoted and peers are constantly interacting. Know more about what does 9/99 mean</span>