Scrub backwards. Basically calling someone something worse than a scrub. A stinky man or a whore possibly. Or possibly a person who has been wearing the same fucking pants for a week or two now.
Fucking scrub city.
Adam: Holy shit dood, look at this fuckin burcs over here!
Devyn: Haha deuce deuce motha fucka! go buy some more tapout clothes bitch!
Randon guy 1: Haha those kids are legit and hella fuckin right about that burcs kid over there
Random guy 2: Fuck you sick bastards. Im a burcs too..