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One who cannot adeptly roll a whole joint of marijuana and thus can only manage the easier job of making a roach.

As such, the aforementioned protagonist is set with the subsidiary task of making the roach, giving him the title 'roachboy'
Wasteman X: Yo allow me to roll one fam

Guttergash Y: Na you're just a roachboy
by killa godzillas February 25, 2015
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