A person that joined Roblox around 2004 - 2011. On different places around the internet, the timespan may vary, but this one is close to the general range.
player: *sees classic looking player* it’s a roboomer!
Other player: no I’m not. stfu I just like the old style.
Other player: no I’m not. stfu I just like the old style.
by Stupid Af June 23, 2021
Get the roboomermug.