Sentence:  At the back — here get a good grip on your nervous centers — stands a double geared piece of infamy, bespattered with filth, becut with obscenity, <WSD>bechalked</WSD> with fiendish coarseness, and bepenciled with lewdness from the journals of the infernal regions. 
Meaning of the word marked with <WSD> tags:  Having a surface that has been written on in chalk.