Noob

a Noob, especially a person who is new to an online community and whose online participation and interactions display a lack of skill or knowledge

Guy 1:"Ha Lol u Noob you have no robux (this was made to inform roblox flexers to stfu)"
Me:" Do you know what Noob is?"
Guy 1:" no"
Me:"Let me teach you something Kid a Noob, especially a person who is new to an online community and whose online participation and interactions display a lack of skill or knowledge