Define Ping 999 Meaning

999 ping is caused by games who do not allow more than 3-digit pings, and players who have such an incredibly laggy play that it's a wonder they're even playing...

Generally, it is above 999 ping, somewhere between 1200-4000... At 999 ping it is so unbearable that you may have to wait a minute just to know that the next round has begun.

In gaming, when a certain player has extremely bad internet, typical reaction from the playerbase of the game.