Players of the popular (And toxic) Roblox game YBA Think that this does not exist... An RKER or a Random Killer is someone who just runs around games (Specifically jojoblox) killing people at random, Hence the name Random Killer
This #### is such an rker omg.
Yeah bro this ####### rker is literally so annoying.
Stop rking im literally gonna report you!
####, what is that gonna do you cant report someone for that.
by sunmanparadox March 30, 2021
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A rker is known as a (random attacker) someone that probably reach their maximum level on a video game and decides to kill other players... Specifically low levels
Me: okay I'm training almost level 50 :3

Pro: time to die >:3

Me:aw F*** here comes a rker
by Darrickprogamer July 22, 2020
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Rker
A person (player) who attacks at other players without reason or randomly

This term is most used in Roblox PvP games;
YBA,ABD, and other games.
Rker: *Kills some dude*
xXRandomDudeXx: Stop rker im going to report1!1!1 >:(
Rker: lol get gud noob EZ
by UrbanDrako May 11, 2022
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An RKer is someone who has sex with cats. He thinks the cats like it but they don't. Poor cats.
"Why did Jason just buy a new cat?" Asked Travis. "He's an RKer." Jake said. "I always knew thats what he meant by getting pussy!" Said Henry.
by Cheatachu January 22, 2008
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rker is the definition of a player who kills people randomly in main game in yba,
the people who say it are usually bad at the game and cant defend themselves.
this dude is a rker
by fard gamer man January 16, 2022
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Rker
A person (player) who attacks at other players without reason or randomly

This term is most used in Roblox PvP games;
YBA,ABD, and other games.
Rker: *Kills some dude*
xXRandomDudeXx: Stop rker im going to report1!1!1 >:(
Rker: lol get gud noob EZ
by UrbanDrako May 11, 2022
Get the Rker mug.