robux monster 

Someone who loves Robux, Particularly someone who is crazy about it and will go to any lengths to get robux.

''So he was yelling at me to give Robux.''

''Wow, that must be a robux monster.''

robux monster by qsdfegrhtyjukil May 23, 2017

robux monster 

Someone who has an unhealthy obsession with Robux, and is willing to grope its foes for the virtual currency.

Oh my god robux monster! Stop groping me! I have no robux!

robux monster by aaaaaaaaaaaa simanic groped me May 24, 2017