It means someone that is a beginner or still new to the game but somehow it is used as an insult and some people say it to people who are already better than them in the game or even with a higher rank just because they got killed.
by LeviSenpai December 22, 2020

by Ninjapig1229 June 12, 2018

by jimmybiscut74 April 8, 2021

12-year-old nerdy sweat who calls everyone a fall noob:
YOU FALL NOOB GET BETTER AT THE GAME!!
2nd place guy: What?!?!?
Sweaty kid: You.
Also sweaty kid: Loses to other guy in final
Other guy: Who’s the fall noob now?
YOU FALL NOOB GET BETTER AT THE GAME!!
2nd place guy: What?!?!?
Sweaty kid: You.
Also sweaty kid: Loses to other guy in final
Other guy: Who’s the fall noob now?
by Bob Boofster July 11, 2022
