drudge
     n 1: one who works hard at boring tasks [syn: {hack}, {hacker}]
     2: a laborer who is obliged to do menial work [syn: {peon}, {navvy},
         {galley slave}]
     v : work hard; "She was digging away at her math homework";
         "Lexicographers drudge all day long" [syn: {labor}, {labour},
          {toil}, {fag}, {travail}, {grind}, {dig}, {moil}]
Source: WordNet® 2.0